Greece is bracing itself for what could turn into a flood of refugees and migrants after the Turkish government ordered its coastguard and border police not to prevent people from crossing into Europe.
“No illegal entries into Greece will be tolerated,” Prime Minister Kyriakos Mitsotakis tweeted on Friday after Greek police fired tear gas at about 300 refugees trying to cross the land border at the Evros river.
On Saturday, a Greek government spokesperson claimed to have “averted more than 4,000 attempts of illegal entrance to our borders.”
Later on Saturday, Turkish President Recep Tayyip Erdogan said 18,000 refugees and migrants had gathered on the Turkish borders with Europe since Friday, adding that the number could reach as many as 30,000 on Saturday.
Meanwhile, tensions are exploding at the Greek border, with riot police firing tear gas at groups of arriving refugees, some of whom are allegedly throwing stones and pieces of flaming wood in protest.
Greece’s land border with Turkey is relatively strong. It is160km (99 miles) long and contains natural defences such as the Evros river and its marshy delta. Greece reinforced it with extra patrols and thermal cameras in recent months.
The maritime border is another story. Hundreds of kilometres long, it is patrolled by about 40 Greek coastal patrol vessels and boats, aided by a European Border and Coast Guard force.