(Screenshot: Israel Defense Forces) A series of Israeli airstrikes last week killed Muhammad Sinwar, the de facto commander of Hamas in Gaza, according to reports on Sunday that said his body was found in a Khan Younis tunnel. Muhammad Sinwar was the younger brother of the former Hamas leader in Gaza, Yahya Sinwar, who was killed by the IDF in southern Gaza last October. According to a separate report, Zakaria Sinwar, another brother, was killed in an Israeli airstrike on Saturday night. The strikes that reportedly killed Muhammad Sinwar on Tuesday targeted an underground command compound below the European Hospital...