Erdogan: There is no difference between what the Nazis did and the pictures from the border with Greece

Turkish President Recep Tayyip Erdogan today accused the Greek authorities that their allegedly harsh treatment of migrants at the Greek-Turkish border could be compared to what "the Nazis did" and said he would report Greece to international authorities.

Erdogan told lawmakers of his ruling party that Turkey will allow migrants to go to the EU until the EU fulfills its obligations from a mutual agreement in 2016 that helped stop the migrant crisis.

Thousands of migrants have piled up on Turkey's border with Greece after the Turkish government announced last month that it would no longer prevent migrants from leaving its territory on their way to the West.

Greece has deployed anti-demonstration police and border police to prevent migrants crossing from Turkey, often using tear gas, stun grenades and water cannons.

A series of skirmishes broke out between the migrants and Greek forces.

Greece says that Turkish security forces on the other side of the border fired tear gas at Greek police.

Erdogan claims that four migrants were killed by the actions of the Greek police, and that 1.000 were injured.

Greece denies Turkey's accusations of disproportionate action against migrants.

"There is no difference between what the Nazis did and the pictures from the border with Greece. To open fire, shoot tear gas and use hot water on innocent people whose only goal is to save their lives and build a better future for their children is barbarism in the true sense of the word ", Erdogan said.

Under the 2016 agreement, the EU offered Turkey up to six billion euros in aid for the care of Syrian refugees on its territory, an accelerated path to EU admission and the improvement of the Customs Union agreement.

"We will continue the current measure (of open borders) on our borders until all our expectations are met," Erdogan said.

In Athens, Greek government spokesman Stelios Pecas said that Erdogan is constantly trying to undermine the atmosphere, but "we continue to do our job, which is to protect the Greek and European borders."

"We tell everyone that they should not try to go 'through the window' because there is a 'door'. Anyone who has the right to protection can knock on that door and get the protection to which they are entitled under international law, but they will not go through the window," Pecas said.

He said that the Turkish ambassador in Athens was summoned to lodge a protest with him because today a Turkish patrol boat tried to deliberately hit a Greek one in Greek territorial waters, near the island of Kos. The Greek ship was damaged in the collision and there were no injuries, the Greek Coast Guard announced.

Meanwhile, additional forces arrived from Cyprus, Austria and Poland to help Greece patrol its border with Turkey.