Plus Sir Ranulph Fiennes, Sir Stirling Moss, Sir Terry Pratchett, Sarah Cawood, John Bercow and Sally Bercow
- The Coronation Street actress and singer Kym Marsh is one of the celebrity mums who are supporting the Bump Campaign by the children's medical research charity Sparks. It calls for research into serious conditions affecting babies, children and pregnant women. Marsh's first son, Archie, died after he was born 18 weeks early in 2009. She said her experience made her want to do more for others in the same situation. "The Bump Campaign will help to start a conversation about the need to fund life-saving medical research," said Marsh.
- The explorer Sir Ranulph Fiennes plans to complete "the coldest journey" by crossing Antarctica in winter to raise $10m (about £6.2m) for Seeing is Believing.The global charitable initiative works to tackle avoidable blindness and is run by Standard Chartered Bank and the International Agency for the Prevention of Blindness. The team of six will attempt to travel 2,000 miles in six months.
- The former motor racing driver Sir Stirling Moss visited the London Air Ambulance to thank them for the help he received when he fell down a lift shaft in his London home in 2010. Moss broke both his ankles and suffered other injuries when he fell three floors after the lift door opened in error. A doctor from the service arrived in a quick response car to provide emergency aid.
- The author Sir Terry Pratchett presented an award on behalf of Alzheimer's Research UK that recognises the UK's most talented researchers. Pratchett, who has Alzheimer's and is a patron of the charity, gave the award to Dr Chris Medway (pictured right with Pratchett) in Cambridge last week. The author said it was good to meet Medway and "now he needs to bugger off and find a cure".
- The presenter Sarah Cawood launched Ambitious about Autism's recent 15th birthday walk through Highgate Wood, north London. Cawood was joined by John Bercow, the Speaker of the House of Commons, and his wife Sally - their son has autism.