A serial conman who pretended his family died in the Grenfell Tower fire in London to obtain more than £10,000 meant for the victims has been jailed for 21 months.

Anh Nhu Nguyen claimed his wife and son were killed in last June's disaster and was photographed beside the Prince of Wales when he met survivors.

As part of his deceit, Nguyen told family liaison officers how he lost sight of his family in the smoke-clogged stairwell.

But, while a major recovery operation was under way, the fraudster was around 15km away at a housing charity, according to prosecutors.

The 53-year-old, of Beckenham, south-east London, showed no reaction as he was jailed for 21 months by Judge Philip Bartle QC at Southwark Crown Court.

The judge said: "I am sure from everything I have seen ... that despite your low IQ you knew full well what you were doing. You knew that you were taking advantage of these genuine victims at this terrible time of this terrible tragedy".

The court heard that Nguyen received around £11,270 from charities and Kensington and Chelsea Council.

71 people were killed in the blaze which swept through the west London block after cladding on the exterior caught fire.

Nguyen pleaded guilty at Southwark Crown Court in November to two counts of fraud by false representation and one count of making an untrue statement for the purpose of obtaining a passport.

He was born in Vietnam, has been in the UK since the 1980s, is a British citizen and has 17 aliases.

He has 28 previous convictions for 56 offences spanning more than 30 years, including theft, dishonesty, arson and grievous bodily harm. 

Defence barrister, Keima Payton, said a report compiled by a psychologist found Nguyen had an "astonishingly low" IQ that placed him in the bottom 2.5% of people in Britain.

The report also found he was suffering from "long-term, untreated post-traumatic stress disorder", depression and low empathy.

It concluded that part of why he had acted was to "feel part of a group, to be looked after, wanted and welcome", she said.