Erdogan's speech on Thursday was his first public speech since returning from a trip to meet U.S. President Donald Trump in Washington.
U.S. officials told Ankara that the YPG would not constitute a threat for Turkey and that arms supplied by Washington would be used in Raqqa and in the south, not against Turkey, Cavusoglu said.
Erdogan stressed in statements before heading to Beijing to participate in "One Belt, One Road" forum, which was held on Sunday, that he was discussing with Trump the United States relations with Kurdish People Protection Units (YPG) in Syria.
Videos of the incident have angered many in the US, given the audacious nature of foreign security personnel beating up Americans who were peacefully protesting against what many see as an emerging totalitarian leader.
McCain said "this kind of thing can not go unresponded to diplomatically". He suggests lawsuits against the responsible bodyguards.
Attacking the small group of protesters with their fists and feet, men in dark suits and others were recorded repeatedly kicking one woman as she lay curled on a sidewalk.
Reporters Committee: Trump Has Crossed Dangerous Line
Fellow Republican Peter King of NY was more leery because of the broad authority special prosecutors have. The U.S. now bans laptops on flights from 10 airports in the Middle East.
Erdogan was in Washington to meet with Donald Trump when members of the Kurdish community made a decision to protest outside the ambassador's residence.
"Customary global law affords heads of state and members of their entourage with inviolability from arrest and detention", a State Department official told ABC News.
Turkish Foreign Minister Mevlut Cavusoglu has accused a senior U.S. diplomat of backing Kurdish militants and said he should be sent home. Seconds later, a group of men run across the street and start punching and kicking protesters. He said 11 people and one of his officers were injured during the incident, which was partially captured on video by media outlets. "People have the right in our country to peacefully demonstrate and they were peacefully demonstrating".
"The Turkish-Americans responded in self-defense and one of them was seriously injured", the Embassy claimed.
Erdogan said he warned Trump that Turkey would combat YPG if the group posed any security threat.
President Tayyip Erdogan said on Thursday Turkey could not lift a state of emergency imposed in the aftermath of a failed coup last July until the country was completely calm.
McGurk was in northern Syria on Tuesday and Wednesday for talks with the leadership of the Syrian Democratic Forces, an alliance of Arab and Kurdish fighters, and the YPG, according to a source in the nascent Raqqa city civilian council.