Police are seeking witnesses after a report of a serious sexual assault in Halifax on a 19-year-old woman on Friday.
West Yorkshire Police want to speak to four men who are believed to have been near the scene and possibly spoke to the victim. It is thought they may have information about what happened.
The officer leading the investigation, Detective Chief Inspector Jon Morgan, said: "Despite the time of the day there were plenty of people around Halifax town centre at the time. If you were one of those people then please come forward with information."
Hull police have released a CCTV image of a man they wish to speak to in connection with an assault that happened early on New Years Day this year.
The incident happened at the Relax Bar on Spring Bank in Hull and left a 32-year-old male victim with serious head injuries.
Police were contacted by staff at Hull Royal Infirmary after the injured man arrived at hospital.
The victim stayed in hospital for a week but took a month of work to make a full recovery.
The suspect is wearing a green coloured Puffa style jacket and officers are urging anyone who recognises him to contact Humberside Police on 101 referring to log 522 of 01 January 2013 or ring Crimestoppers on 0800 555 111.
If you recognise this man, British Transport Police would like to hear from you. They want to speak to him about an assault on a member of staff at Leeds railway station on October 11th. Anyone with information is asked to ring Freefone 0800 40 50 40 quoting B2/NEA of 03/11/2012.
Police are appealing for witnesses to an assult in Elland, near Halifax, to come forward. A 29 year old woman was walking along Beech Street at midnight on August 15th when she was confronted by a man.
She fought back, suffering minor injuries, and her attacker fled. He is described as white, 5' 10", medium build with stubble. He was wearing a black hoddie top and and black trousers.