[Photo Credit: Reuters]Some 20 unidentified vessels were seen approaching the international flotilla trying to deliver aid to Gaza on Wednesday night, multiple people on board said, as passengers put on life vests and braced for a takeover. It is now within 90 nautical miles of the war-ravaged Strip. Article continues after advertisementThe flotilla organisers said in a statement that they had detected at least 20 vessels on their radar about 3 nautical miles ahead of the fleet. It is not clear who is operating the vessels. A live video feed from one of the boats in the flotilla showed passengers in life vests sitting in a circle on deck.