Oscar Pistorius apologises for killing Reeva Steenkamp

An emotional Oscar Pistorius has apologised to the family of girlfriend Reeva Steenkamp, on the first day of his evidence at his murder trial.
In a trembling voice, he said he was "trying to protect" her and said he could not imagine the family's pain.
Mr Pistorius said he suffered "terrible nightmares" and often woke up smelling Ms Steenkamp's blood, according to a news agency.
Prosecutors say he killed her in February 2013 after an argument. He says he mistook her for an intruder.
The athlete told Ms Steenkamp's relatives that there "hasn't been a moment since this tragedy happened that I haven't thought about your family".
"I wake up every morning and you're the first people I think of, the first people I pray for. I can't imagine the pain and the sorrow and the emptiness that I've caused you and your "I was simply trying to protect Reeva. I can promise that when she went to bed that night she felt loved.