An explosion occurred in the southern suburb of the Lebanese capital, Beirut, on Tuesday, and the Lebanese National News Agency said that an Israeli march targeted an office of the Hamas movement in the Musharrafieh area in Beirut.
Two security sources told Reuters that a senior Palestinian official was killed in the explosion.
Photos and video clips showed a car catching fire in the area of the explosion, and a residential building was damaged.
Lebanese media reported conflicting accounts regarding the cause of the explosion, and media said there were a number of victims.