Prince Harry traveled from California to the United Kingdom to attend a court hearing on what could be his last chance to change the U.K. government's stance on his security.

Britain's Prince Harry gestures as he walks on the day he is expected to give evidence in his appeal against the rejection of his legal challenge to the British government's decision to take away his police protection when he is in Britain,

Prince Harry's lawyer warned his "life is at stake" over changes to his security after he stepped down from royal duties, as the prince returned to London's Royal Courts of Justice on Wednesday for his appeal about changes to his protection in Britain.