ISTANBUL, TURKEY - JULY 17 : The Humanitarian Relief Foundation (IHH), Confederation of Public Servants' Trade Unions (Memur-Sen) and other non governmental organizations march to protest against the ongoing Israeli airstrikes on the Gaza Strip in Turkey's Istanbul on July 17, 2014. Isa Terli / Anadolu Agency
ISTANBUL, TURKEY - JULY 17 : The Humanitarian Relief Foundation (IHH), Confederation of Public Servants' Trade Unions (Memur-Sen) and other non governmental organizations march to protest against the ongoing Israeli airstrikes on the Gaza Strip in Turkey's Istanbul on July 17, 2014. Isa Terli / Anadolu Agency
ISTANBUL, TURKEY - JULY 17 : The Humanitarian Relief Foundation (IHH), Confederation of Public Servants' Trade Unions (Memur-Sen) and other non governmental organizations march to protest against the ongoing Israeli airstrikes on the Gaza Strip in Turkey's Istanbul on July 17, 2014. Isa Terli / Anadolu Agency
ISTANBUL, TURKEY - JULY 17 : The Humanitarian Relief Foundation (IHH), Confederation of Public Servants' Trade Unions (Memur-Sen) and other non governmental organizations march to protest against the ongoing Israeli airstrikes on the Gaza Strip in Turkey's Istanbul on July 17, 2014. Isa Terli / Anadolu Agency
ISTANBUL, TURKEY - JULY 17 : The Humanitarian Relief Foundation (IHH), Confederation of Public Servants' Trade Unions (Memur-Sen) and other non governmental organizations march to protest against the ongoing Israeli airstrikes on the Gaza Strip in Turkey's Istanbul on July 17, 2014. Isa Terli / Anadolu Agency
ISTANBUL, TURKEY - JULY 17 : The Humanitarian Relief Foundation (IHH), Confederation of Public Servants' Trade Unions (Memur-Sen) and other non governmental organizations march to protest against the ongoing Israeli airstrikes on the Gaza Strip in Turkey's Istanbul on July 17, 2014. Isa Terli / Anadolu Agency