The US and Iran have agreed to start negotiations next week to resume the nuclear agreement that was dropped by Donald Trump.

Officials from Tehran and Washington will travel to Vienna next week in a bid to revive the 2015 deal.

They won’t hold direct talks, officials have said, but the trip to the Austrian capital would mark a step forward in restoring the agreement.

It is thought parties are aiming to agree on a deal within two months, according to a senior European Union official.

More to follow.