A ship trying to deliver humanitarian aid to Gaza says it has aborted its mission after the Israeli navy threatened the civilian passengers on board. The Free Gaza movement boat left Cyprus on Wednesday seeking to deliver doctors and medical supplies. It was the group’s first attempt to reach Gaza since an Israeli navy vessel deliberately rammed another humanitarian boat last month, almost forcing it to sink. According to a Free Gaza statement, five Israeli gunboats surrounded the Spirit of Humanity ship in international waters 100 miles off the Gaza coast. In a radio transmission, the Israeli navy threatened to open fire on the ship unless it immediately turned around. Meanwhile, the Israeli government has intercepted an Iranian ship headed to Gaza for the second time. The ship is carrying food and medicine and had planned to arrive in Gaza this past weekend. It tried to reach Gaza again on Wednesday, but was intercepted by the Israeli navy.