Erdogan claimed that Israel is an aggressive, expansionist power and that it is inflicting great injustice on the Palestinian people.
The killings come as Egypt attempts to broker a ceasefire deal between Israel and Hamas.
The Israel Defense Forces said its troops used "proportional force" to respond to what it called "provocateurs."
The move tightens the blockade on Gaza, which has been in place since 2007.
The kingdom would construct a military zone and a nuclear waste dump between itself and Qatar.
The flotilla was intercepted by Israeli ships at the limit of the blockade.
Qatar's latest purchase of a Trump condominium has "incredibly troubling optics," a spokesman for a legal watchdog group said.
Qatari officials reportedly decided against sharing the details with Mueller to avoid damaging relations with the Trump administration.
The Trump administration's decision to back the Qatar blockade could have put U.S. troops' lives in danger, Senator Chris Murphy said.
The Turkish leader earlier urged more Muslims to visit the city to support the Palestinians' claim to contested site.
Relations between the two countries soured after the Israeli commando raid on the Mavi Marmara in 2010.
Opponents accuse ruling party of shedding democratic principles with plan to curb media access to parliament.
Taxi drivers warn they will take the tournament "hostage" if private hire cabs are not regulated.
The Turkish leader says relations with Israel could be healed with the lifting of the Gaza blockade.
The Russian President turned the peninsula's power back on in a live TV broadcast.
The coordinator of the blockade says activists are looking for the next stage of protest.
Analysts say Raúl Castro's address at the U.N. on Monday was yet another sign that the two countries were moving toward closer relations.
An aid organisation has announced that they will seek to break the naval blockade four years after Mavi Marmara incident