Journalists and researchers are still piecing together a full picture of what caused a massive explosion at the Al Ahli Arab Hospital in Gaza on Tuesday. The blast killed hundreds of people, many of whom were reportedly sheltering from bombardment elsewhere.
Almost immediately, claims and counterclaims flew about who was responsible. Many initial news stories reported it as an Israeli airstrike, citing the Palestinian health ministry. Israel denied the accusation and said it was caused by a misfired rocket launched by a Palestinian militant group. On Wednesday, the U.S. backed up Israel's claim, based on its own analysis of "overhead imagery, intercepts and open source information."
