The hostage death toll from a four-day siege at an Algerian gas plant deep in the Sahara has risen to almost 60, with at least nine Japanese nationals also reported killed, according to a report of Reuters. Algerian Prime Minister Abdelmalek Sellal is expected to give details at a Monday news conference about one of the worst international hostage crises in decades, which left American, British, French, Japanese, Norwegian and Romanian workers dead or missing. A security source said on Sunday Algerian troops had found the bodies of 25 hostages, raising the total number of hostages killed to 48 and the total number of deaths to at least 80. He said six militants were captured alive and troops were still searching for others. Meanwhile, a Japanese government source said the Algerian government had informed Tokyo that nine Japanese had been killed, the biggest toll so far among foreigners at the plant.