Concern is growing for a missing elderly man who suffers from a number of “serious medical issues”.

Alister Daniels, 74, has not been home since about 11am on Wednesday, March 1. He lives in Trimmer Walk, Brentford.

He was last seen the following day leaving Queen Alexandria Hospital in Portsmouth at 5.45am – over 55 miles away as the crow flies.

Mr Daniels owns a Freedom Pass travel card, and so may be travelling back to London or elsewhere from Portsmouth.

Hounslow Police has said it is increasingly worried for Mr Daniels’ safety because he suffers from several medical problems and is “frail”.

He is white, about 5ft 7in with short grey hair and a thin white moustache. He was last seen wearing black trousers, white trainers and a blue parka coat.

Anyone who has seen Mr Daniels, or who knows of his whereabouts, has been asked to contact police via 101.