Police continue to appeal for witnesses after disappearance of Sunderland grandfather Robert Hutchinson, on his 57th birthday.
Robert Hutchinson was last seen on June 23, in Hendon and was reported missing on June 26.
Yesterday, three men were arrested in connection with his disappearance.
"Today is Robert's 57th birthday, and our thoughts are with his family at what is an exceptionally difficult time for them. They need answers as to what has happened.
"Our enquiries to find Robert are on-going, we are searching a number of areas and carrying out a number of enquiries. We believe there will be members of the community who have information and we need those people to come forward and speak to us. I would like to reiterate that we will treat information in the strictest of confidence."
"We would ask those who know what has happened to think how they would feel if this was one of their family members. No matter how small the information is it could prove to be fundamental in our enquiries."
Anyone with information is asked to contact Northumbria Police on 101.
A 59-year-old man has been released with no further action.
The grandfather-of-one has not been seen since June 23 in Hendon.
This morning, a 55-year-old man was arrested on suspicion of murder and two men, aged 59 and 39, were arrested on suspicion of assisting an offender.
Enquiries have been carried out to trace him, including viewing CCTV, carrying out house to house enquiries and speaking to people who knew him.
Chief Inspector Jerry Pearson, of Sunderland Area Command, said: "This is a fast moving investigation that has recently seen a number of significant developments that have led to three men being arrested this morning.
"Robert's family have been updated on this development and are understandably incredibly distraught by this. It is crucial we now find out the full circumstances of what has happened and we are continuing to ask for witnesses to come forward.
"If anyone has any information they think may help, no matter how small it may be, we want them to contact us. We will treat any information in the strictest of confidence and respect the anonymity of callers if this is a concern."
Anyone with information should contact Northumbria Police on 101 ext 69191 quoting reference 410 260614 or Crimestoppers anonymously on 0800 555 111.
Northumbria Police have made a new appeal for a man from Sunderland, who is missing.
Robert Hutchinson, 56, was last seen on Monday, 23rd June, in the Hendon area of the city. He was seen on CCTV at a petrol station where he was seen putting fuel into a blue Nissan Micra.
The daughter of Robert Hutchinson, who has been missing from Sunderland for two weeks, has appealed for him to come home. Robert Hutchinson, 56, was last seen on June 23 in Hendon.
He was last seen driving a blue Nissan Micra registration number LT03 0ZJ.
Chief Inspector Jerry Pearson, from Northumbria Police, is urging anyone who knows the whereabouts of missing Robert Hutchinson to contact them. The 56 year old, from Sunderland, hasn't been seen since the 23rd of June.
The family of a man who's been missing for more than 2 weeks have made an emotional appeal for him to get in touch. 56 year old Robert Hutchinson was last seen on the 23rd of June in the Hendon area of Sunderland. His daughter, Paula Hutchinson, and son, Gavin Newton, say they want him home.
A woman has been seriously hurt after being attacked by a dog in Sunderland.
The woman was walking through the cemetery at Holy Trinity Church in Southwick, onto the path of Northern Way, when she was approached by the Alsation,
The animal was not with anyone, and was not wearing a colar.
It jumped up at the woman, and as she put her hands out to protect herself she suffered serious injuries to both of her hands and required hospital treatment.
The dog ran off down an alleyway between the back of James Street and Southwick Primary school field.
Officers are carrying out enquiries into the incident and appealing for the owners of the dog, or anyone with information, to get in contact."
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A man from Sunderland has now been missing for more than a week.
Robert Hutchinson, 56, was last seen on Monday, June 23 by a family member in the Hendon area.
He was reported missing on Thursday, June 26.
He is described as white, 5ft 9 inches tall, stocky build with grey short hair.
He was last seen wearing knee length shorts and a short sleeved checked shirt.
He has an ear piercing in his left ear.
Northumbria Police officers are carrying out enquiries in order to trace Robert and are asking him, or anyone who know's where he is, to get in contact.
Anyone with information should ring Northumbria Police on 101 ext 69191 quoting reference 410 260614.
Police investigating the death of a man who was stabbed in Sunderland have tonight charged two brothers with murder.
A 53 year old man was found with a stab wound to his leg on Purley Road, in the Plains Farm area, three weeks ago.
He later died in hospital.
His name has not been released by the police.
Jack Ryan, 21, and Jess Ryan, 24, formerly of Toronto Road in Sunderland, have been charged with murder.
They are both scheduled to appear before magistrates in Sunderland on Tuesday morning.