Detectives have released CCTV images of a man wanted in connection with the murder of a pensioner in Hertfordshire.
Myles Williams was given a life sentence for murdering 20 year-old mother Kirsty Treloar.
A man has been charged with a murder in Mottingham says New Scotland Yard.
Four people have been arrested in connection with the suspicious death of a woman.
Officers were called to an address in Sheen Road, Richmond at about 2pm yesterday following concerns for the welfare of a resident.
They found the body of a woman, believed to be 43.The four people held, two men aged 48 and 21, and two women, both aged 27 are in custody at various London police stations.
Police have launched a murder inquiry following a death in Ealing.
Officers were called at approximately 4:40am today to reports of a stabbing in Gorst Road.
They found three victims, all men, suffering suspected stab wounds.
One man was pronounced dead at the scene.
Next of kin have been informed and a post-mortem examination will be held in due course.
All of the victims are yet to be formally identified.
The other men were taken to hospital by the London Ambulance Service. One man remains in a critical condition; the other has since been discharged.
Two men have been arrested on suspicion of murder and remain in custody at a south London police station.
Any witnesses or anyone with any information is asked to contact the incident room on 020 8785 8081, or Crimestoppers anonymously on 0800 555 111.
A man has been been jailed for life for stabbing a transgender woman to death in her bedroom before leaving her decomposing body undiscovered for more than a month.
Romy Maynard, 28, denied killing 22-year-old Chrissie Azzopardi at her home in Crescent Way, north London, in April last year.
Ms Azzopardi knew her killer and telephone records showed they were in contact with each other in the days before her death.
Ms Azzopardi, who was due to undergo gender surgery, was found lying on her bed with fatal stab wounds to the chest.
Her body was discovered after neighbours noticed a bad smell coming from her flat and raised the alarm in June last year, the Old Bailey heard.
Prosecution lawyer Mark Heywood QC said he said the murder was "swift and brutal" and that the victim had "everything to look forward to in life".
Police are offering a £20,000 reward for information about a fatal stabbing in north London on the first anniversary of the murder.
Teon Palmer, 28, died from a single stab wound to the chest following the attack in Montagu Road, Lower Edmonton, around 9.30pm on Sunday, October 20, last year.
Up to seven people were seen running away from where Mr Palmer died, but nobody has yet been charged over his death.
Friends and family are planning to hold a vigil on Sunday night and police officers will also be in the area to appeal for information. Anyone with information is asked to call 020 8345 1570 or Crimestoppers anonymously on 0800 555 111.
A man has been convicted of a muder that took place in Brixton 13 years ago. Dialo Hall, 33, who is of no fixed abode, was found guilty today of the murder of 27-year-old Dennis Cowan in October 2000.
A Detective Chief Inspector said the conviction is an example of the commitment of the Metropolitan Police, to find people responsible for violent crime, no matter how much time has passed, or how far a suspect is willing to flee.
A judge at the inquest into the death of a London model murdered in Hungary, has today said she believes someone else may have been involved.
65-year-old Eva Rhodes, who was friends with John Lennon and Yoko Ono in the 60s, was beaten to death at the animal sanctuary she ran in the country. One man has already been jailed for her murder. Robyn Dwyer reports.
Five men will be sentenced later over the murder of a man at an petrol station in Ilford last year.
Thomas Cudjoe, 29, was stabbed to death outside a Shell garage in Lye Street in November 2012.
Courtney Mitchell, Jerome Green, Reece Garwood, Asher Johnson and Lewis Johnson were convicted for the murder in July.
A man charged with the murder of a young mum in north-west London will appear in court for a bail hearing later.
Martell Warren is accused of shooting dead Sabrina Moss while she was out celebrating her 24th birthday in Kilburn last month.
A 17-year-old boy has been arrested by police investigating the murder of a 20-year-old man stabbed to death in Homerton, east London.
Lamarni Hylton-Reid was found at the junction of Homerton High Street and Kenworthy Road, Hackney, east London, at 5.10pm on Wednesday.
He was taken to hospital by ambulance but pronounced dead at 6.30pm.
Scotland Yard said last night that the 17-year-old had been arrested on suspicion of murder and is being held at an east London police station.
Detectives have also arrested a 19-year-old man for assisting an offender.
Messages paying tribute to Mr Hylton-Reid, from Clapton, east London, have flooded on to social networking site Twitter, including one post which said he was stabbed on the way to visit his mother on her birthday
Police say they are keeping an "open mind" about the reason for the murder of Lamarni Hylton-Reid, but they have ruled out robbery as a possible motive.
20 year-old Lamarni was stabbed on Wednesday evening on Homerton High Street, at the junction with Kenworthy Road. He died in hospital a few hours later from a stab wound to the chest.
Police have not made any arrests so far and are still appealing for witnesses.