an equaliser from arsenal takes the fa cup semi final against manchester city to extra time at wembley. that s all in sportsday in half an hour s time here on bbc news. good afternoon and welcome to bbc news. the labour leader has said he would order a review of all aspects of defence if he wins power. speaking to the bbc‘s andrew marr, jeremy corbyn refused to say whether he d keep britain s trident nuclear deterrent. but then a party spokesman said the decision to retain trident had been taken, and labour supported that. the conservatives said labour would dismantle the uk s defences. our political correspondent, susanna mendonsa, has more. setting out his stall for a snap election, jeremy corbyn came to outline labour party policy, but when it came to defence, that position didn t seem to correspond with that of his party. this is still an entirely unresolved question. as to what you are going to do. your defence spokesman has said very clearly that keeping trident w