Police have issued an urgent appeal for the public's help to trace a missing man.
Simon Thompson was visiting family in Halifax from Manchester when police said he fell in the town centre.
Mr Thompson, who is 40, attended hospital as a result, police said.
Greater Manchester Police said he left hospital shortly after midnight - but hasn't been seen since.
It's not known whether he has returned to Manchester.
The north Manchester division of GMP today shared an appeal on social media and a photograph of Mr Thompson.
They said he attended Calderdale Hospital in Halifax on Thursday and left in the early hours of Friday.
The force said Mr Thompson was carrying a clear plastic bag with items of clothing inside when he was last seen.
GMP said: "Urgent police appeal for missing man who left hospital.
"Simon Thompson, 40yrs, went to see his family on Thursday 20th January in Halifax.
"He has failed to return back to Manchester.
"He has fallen over in Halifax town centre and as a result of this he has attended Calderdale hospital, Halifax.
"Simon was last seen leaving hospital at 00:30 hrs on Friday 21st January.
"He was wearing a multi coloured woolly hat, blue jeans, a black coat with a red lining in the hood and a fur trim, and black and white trainers.
"He was carrying a khaki green bag and carrying a clear plastic bag with clothing items inside.
"We are unsure if Simon is still in Halifax or if he has returned to Manchester."