BBC News Theresa May was told about Trident missile test 2017-01-23T12:29:31.000000Z No 10 says the PM was told of last June's Trident test, after reports the missile went off course. Samsung reveals cause of Galaxy Note 7 phone fires 2017-01-23T12:26:07.000000Z Samsung reveals what caused the overheating and burning of some of its Galaxy Note 7 mobile phones. Fog alert in southern England: Heathrow cancels 100 flights 2017-01-23T12:25:16.000000Z Heathrow cancels 100 flights, with London City and Gatwick also affected by the fog. Can selfies really be art? London's Saatchi Gallery thinks so 2017-01-23T12:11:18.000000Z Ahead of a London gallery opening its first selfie exhibition, can such pictures really be considered art? Sinn Féin expected to announce new Stormont leader 2017-01-23T12:06:37.000000Z Sinn Féin is expected to announce its new Stormont leader later today with Michelle O'Neill tipped to take the role. China birth rate up after one-child rule change 2017-01-23T11:36:14.000000Z Many of the 18.46 million babies born in China last year already had an older sibling, say officials. Dean Saunders' mother: 'I told prison officials he would kill himself' 2017-01-23T11:12:36.000000Z An investigation into the death of prisoner Dean Saunders has found a catalogue of failures contributed to his suicide and he should have been in hospital not prison. Quentin Willson encouraging the use of electric cars 2017-01-23T11:12:07.000000Z Motoring journalist Quentin Willson calls for cheaper and simpler prices to encourage the use of electric cars. Madonna says White House comments 'taken out of context' 2017-01-23T10:36:32.000000Z A row erupts over Madonna's comments about US President Donald Trump during a speech at the weekend. Gator aid 2017-01-23T10:23:05.000000Z Texan Christy Kroboth used to have a quiet job in a dentist's surgery. Now she spends her time jumping on animals many times her size - and taping their jaws tightly shut.