Merseyside Police, and colleagues from the National Crime Agency (NCA), and other agencies are conducting a day of action against gun crime in Liverpool.
Officers and the NCA executed ten warrants in Liverpool North area, three in West Derby and seven in the surrounding area, at 7am this morning.
Merseyside Police say they've already recovered firearms and cannabis.
A 31-year-old man has been held by police after the discovery of a man's body at a house in Southport last night.
Merseyside Police were called to Linaker Street in Southport at about 7.45pm, after a woman called police to advise she had found the body of a 33-year-old man at the address.
Officers attended and the suspect, from Skelmersdale, who was present at the address, was arrested on suspicion of murder.
The police said the death is being treated as unexplained.
A Home Office post mortem examination to establish the cause of death will be carried out.
Detectives are appealing for anyone who may have information to contact Sefton CID on 0151 777 3460, or Crimestoppers on 0800 555 111.
Police have issued CCTV footage of two men officers would like to speak to in connection with an aggravated burglary in Newton-le-Willows on Monday.
Officers were called to a property on Alder Street, at around 8.25pm on September 1, following a report from a woman living there that two men had knocked on her front door.
One of the offenders forced his way into the house armed with what's described as a cosh, Merseyside Police said.
He then used a knife from the kitchen to threaten the woman and demanded cash.
Both offenders escaped on foot, a short time later, with two mobile phones and a few cigarettes.
Officers believe the two men shown in the footage may have vital information which could help them with their investigation.
They are appealing to the men, or anyone who recognises them, to get in touch as soon as possible.
Anyone with information can contact detectives in St Helens CID on 0151 777 6811 or speak to Crimestoppers on 0800 555 111.
A man has been arrested after a man was found dead following reports of an assault in St Helens.
Officers were called to a house on Beacon Grove at about 2.20am today.
Officers found the body of a 35-year-old man in the house.
He was pronounced dead at the scene by paramedics.
The victim has not been identified.
A post-mortem examination will be carried out to establish the cause of death.
A 33-year-old man from St Helens was arrested on suspicion of murder and remains in police custody for questioning.
The house was cordoned off for forensic examinations and officers are carrying out house-to-house enquiries in the area.
Anyone with information about the incident is urged to call St Helens CID on 0151 777 6811 or Crimestoppers on 0800 555 111.
Police in Liverpool are appealing for witnesses after what's being described as a 'targeted' shooting on Saturday night.
Officers were called to Crawford Close in West Derby just after 2200 after reports shots had been fired and a group of men had run from the area.
A short time later a 22-year-old man went to hospital with a gun shot injury to his hand.
A Merseyside Police statement said:
"At this early stage of the investigation the motive is unclear, but it is believed to be targeted.
Crime Scene Investigators are carrying out forensic examinations at the scene and house-to-house inquiries are underway.
Patrols have been stepped up in the area to reassure the local community.
Officers are appealing to anyone who may have information which could help them with their inquiries to contact the Matrix Serious Organised Crime team on 0800 230 0600, or Crimestoppers on 0800 555 111."
Next and shopkeepers in Merseyside are being offered a new weapon in the war against hate crimes like racism. Dozens of tiny video cameras are being offered to businesses which are suffering the effects of anti-social behaviour.
The cameras are worn by a worker around their neck and, if they feel threatened or intimidated, can be activated by the press of a button.
The incident can be captured in full and used as evidence to support a police investigation.
In February, police in Knowlsey secured the first detection in the country using footage from the 'video badges' when they traced a 16-year-old student from Huyton who had racially abused a local shopkeeper.
The incident was captured by the camera, which was being worn around the shopkeeper's neck, and within days the offender's face had been circulated among local police officers.
A school liaison officer recognised him and his parents were informed.
The boy initially denied having been part of the group that had been in the shop but when he and his mother were shown the footage.
Shopkeepers in Merseyside are being offered ID badges containing video recording devices in the fight against hate crime.
Dozens of tiny video cameras with crystal clear picture and sound quality are being offered to businesses suffering from anti-social behaviour.
The cameras are the size of an ID card holder and Merseyside Police say they have proved a big success during a recent trial in Knowsley.
The force says it helped officers investigate hate crimes and given local shopkeepers greater peace of mind.
Merseyside Police has released CCTV images of man officers would like to speak to in connection with a racially aggravated incident on a bus in Walton.
A woman passenger was subjected to comments about her ethnicity by a male passenger who was travelling with a child.
The incident happened on the Number 21 bus from Kirkby to Liverpool, as the vehicle reached County Road in Walton at 1.20pm on May 25.
The offender then assaulted a man who challenged him about his comments.
The assault victim sustained facial injuries during the assault and has been left upset following the incident.
Detective Constable Bob Hart, said: "Incidents of this kind, whereby victims are subjected to racial abuse, be it physically or verbally, will not be tolerated.
"We are investigating a number of lines of enquiry and are keen to speak to anyone with any information that could help our enquiries.
"I would like to reassure people that incidents of this type are rare."
Officers from Sigma, the Merseyside Police's dedicated hate crime investigation unit, are appealing to the man pictured, anyone who recognises him or anyone with information to get in touch.
Anyone with any information is asked to call 0151 777 4843 or Crimestoppers on 0800 555 111.
Two people were arrested following a road crash and the discovery of a suspected firearm.
Emergency services were called at about 1.15am to a report of a collision involving a motorcycle and a Ford Fiesta on County Road in Walton.
Paramedics attended and found a 23-year-old man who had been on the motorcycle with injuries to his leg. The driver of the Fiesta had sustained slight injuries.
The 23-year-old man was found to be in possession of ammunition and a suspected firearm was discovered at the scene.
Collision investigators were are at scene and a partial road closure is in place whilst inquiries into the incident are being carried out.
Witnesses should call Merseyside Police on 0151 777 8612 or 0800 2300 600 or Crimestoppers on 0800 555 111.