Search underway for Australian surfer likely killed in shark attack - Missing Australian surfer likely killed by shark: Police - Tributes for Kiwi surfer missing off Western Australia beach, search called off indefinitely - Details emerge about alleged killer of Australian and U.S. surfers - Mother of Australian surfers killed in Mexico delivers touching eulogy at San Diego beach - Mother of Australian surfers killed in Mexico delivers moving tribute: 'World has become a darker place' - Mother of Australian surfers killed in Mexico gives moving tribute to sons at a beach in San Diego - Australian PM mourns 'tragic' deaths of surfers killed in Mexico