According to The Guardian, Turkish officials have outlined to the British daily "failures" of the European governments "through several documented instances."
It cited foreign militants leaving Europe while travelling on passports registered on Interpol watchlists, arriving from European airports with luggage containing weapons and ammunition.
European authorities freed them after being deported from Turkey despite warnings that they have links to foreign militant networks, the report said.
“We were suspicious that the reason they want these people to come is because they don’t want them in their own countries,” said a senior Turkish security official, whose name was not mentioned by The Guardian.
The paper said the conversations with Turkish officials took place before the latest ISIS-claimed terror attacks in Brussels in which at least 32 people were killed.
Those bombings and the attacks in Paris last November revealed Europe’s failings in tackling the threat from Europeans intent on travelling to Syria or Iraq to fight with ISIS and then returning to carry out atrocities at home.
European officials have repeatedly said Turkey ought to do more to secure its borders.
Critics of President Recep Tayyip Erdogan accuse Ankara of turning a blind eye to the influx of foreign militants, saying Turkey hoped to undermine Syrian President Bashar al-Assad.
They point to the lack of hindrance encountered by militants travelling through Turkey to Syria, who were prevalent along the established routes and made little effort at discretion on the way to the frontlines.
They also point to the fact that most of the thousands of foreign militants battling in Syria today entered through Turkey.
President Vladimir Putin, after a Russian plane was shot down for straying briefly into Turkish airspace, accused Ankara of being “accomplices of terrorists.”
In a stark confirmation, King Abdullah of Jordan reportedly said at a top level meeting with senior US politicians in January that Europe’s biggest refugee crisis was not an accident, and neither was the presence of terrorists among them.
“The fact that terrorists are going to Europe is part of Turkish policy and Turkey keeps on getting a slap on the hand, but they are let off the hook,” leaked notes from the meeting cited him as saying in a report by The Guardian and other media outlets.
Asked by one of the congressmen present whether ISIS was exporting oil to Turkey, Abdullah replied:” Absolutely.”
According to a detailed account of the meeting seen by UK-based Middle East Eye blog, the king went on to explain what he thought was the motivation of Turkey's president.
Abdullah said that Erdogan believed in a “radical Islamic solution to the region."
Turkish officials, however, challenged the notion in interviews with The Guardian that they did not do enough to combat the transit of EU-based terrorists to Syria via Turkey.
They provided specific details of several incidents they said prove that European governments permitted terrorists to travel to Turkish transit points.
They said the EU has failed to secure its own borders or abide by pledges to share intelligence and cooperate in battling the Takfiri terrorist threat.
The EU’s Counter-Terrorism Coordinator Gilles de Kerchove confirmed that most European nations were indecisive in their response to the terror threat.
“Europe knew exactly what was happening, but they started a blame game and said the entire problem was on the Turkish-Syrian border,” he said; Press TV reported.
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