because this is an argument that his legal team used in court that he has given all the information in his travel declaration. we now know there are questions about whether or not he travelled within the 1a days prior to coming to australia. so yes, he says he is focused on competing and yes, he has been training, buta competing and yes, he has been training, but a few days before the australian open, there is no guarantee that he will be allowed to play and defend his title. shaimaa, many thanrs- play and defend his title. shaimaa, many thanks. shaimaa play and defend his title. shaimaa, many thanks. shaimaa khalil, - play and defend his title. shaimaa, many thanks. shaimaa khalil, ourl many thanks. shaimaa khalil, our correspondent. surgeons in the us have made history by successfully transplanting a pig s heart into a human for the first time. a 57 year old man is said to be doing well, four days after surgery. if it does prove successful, it could mean animal organs being used