Mr Cameron pointed out colleagues in the chamber who had joined in the moustache challenge as well as his protection team. He said he was disappointed he could not seem to be able to join in the fund-raising.

Tweets, external: "Cameron admits he doesn't "seem able" to join fellow Tory MPs who've grown moustaches for #Movember"

One more from the end of the session - Tory Jason McCartney asked if Mr Cameron would congratulate all those who had taken part in Movember charity - which encourages men to grow their moustaches in November to raise awareness of men's health issues, such as prostate cancer.

The BBC's assistant political editor Norman Smith says PMQs resembled a "cracked record", with familiar themes being discussed.

In a further question, the PM was asked by Tory Andrew Turner if he believed Save the Children was right to give ex-Labour PM Tony Blair an award. Mr Cameron jokes that the most remarkable thing was that it had been presented to Mr Blair by someone who used to work for Gordon Brown.

Tweets, external: "Really bad of Tories & some Lab MPs to try and shout down new UKIP MP Mark Reckless at #pmqs All elected voices should be heard"

Labour's Pamela Nash said 76% of children living with HIV in the world did not receive medication, and claims that more widely, the lack of investment in neglected diseases had resulted in the Ebola outbreak. She asked what investment the government was making in treatments.

Tweets, external: "Loud groans as Mark Reckless called to speak at #pmqs - Speaker has to intercede to silence heckling"

Mr Cameron said he did not understand why his former Tory colleague had decided to join a party that did not believe in the NHS and wanted to break it up.

To rowdy scenes, Mark Reckless, speaking for the first time as a UKIP MP, said he was grateful to the PM for spending so much time in his Rochester and Strood constitutency.

Labour's Phil Wilson asks if the PM would ever lead a "no" campaign in the coming EU referendum. Mr Cameron replies: "Trust the people and let the people decide."

Tweets, external: "Sadly no recognition from Prime Minister of need to do more to get people earning at least the living wage to tackle in work poverty #pmqs"

Labour's Andrew Slaughter asks the PM to prevent any further cuts in A&E in West London. Mr Cameron replies by saying more beds were going into hospitals in Hammersmith.

Conservative Sarah Newton asks Mr Cameron to thank RFA Argus for their work to tackle Ebola in Sierra Leone. Mr Cameron said RFA Argus' presence in the region was a key part of that strategy.

Mr Cameron said if Mr Reed valued people who worked hard and got on, he should cross the floor and join the Conservatives.

Referring to Ms Thornberry's tweet, Labour's Jamie Reed said when he saw a white van the first thing he thought was whether it was his father or brother driving it.

Labour's Karl Turner asks the PM if he agreed a full independent inquiry should have been carried out into a contract by Serco at Yarl's Wood removal centre. Mr Cameron said one or two bad contracts should not fulfil the unions' dream of ending all contracts altogether.

Tweets, external: "Glum faces on Lab front bench for white van man question. No choice but to take a kicking and hope it passes. #pmqs"