With Greece on the abyss of a disorderly exit, US president Barack Obama made his first personal intervention in the crisis talks for months on Tuesday night.
The US president spoke to Mr Tsipras and Ms Merkel before leaders gathered in Brussels.
He told the German Chancellor “it is in everyone’s interest to reach a durable agreement that will allow Greece to resume reforms, return to growth, and achieve debt sustainability within the eurozone,” said a White House statement.
Athens is looking to secure a firm commitment to write off some portion of the country’s €320bn debt mountain,
However, despite Washington’s urgency, Ms Merkel last night dismissed debt relief plans as “out of the question”.
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