Flotilla Aims to Break Gaza Blockade
GSF member Saif Abu Keshek aims to challenge the siege.
54 vessels and over 500 activists from 45 countries embark on journey.
54 vessels depart from Marmaris, Turkey, heading south.
Israeli forces intercepted 20 boats near Crete on April 30, detaining 175 activists.
Israel claims flotilla is a propaganda stunt with no aid.
2 million Gazans live in ruins under 6-month ceasefire.
Israel's blockade prevents Hamas from importing arms.
Critics call the blockade collective punishment of the population.
2 days ago