The fund was offered to Ankara last month as part of package of measures to ease Europe`s migration crisis and which EU leaders plan to finalize at a summit with Turkish President Tayyip Erdogan in Brussels on Sunday. However, most national governments have yet to agree the level of their contributions.
The summit was called on Monday. Turkey has yet to say that the details of the accord have been finalised and EU officials have said elements of the deal are still open to amendment.
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