An Israeli official said Sunday that Israeli forces have begun withdrawing from a key Gaza corridor, part of a ceasefire deal with Hamas that is moving ahead, Associated Press news agency reported.

Israel agreed as part of the truce to remove its forces from the Netzarim corridor, a strip of land that bisects northern Gaza from the south. The official spoke on condition of anonymity because he wasn’t authorized to discuss troop movement with the media.

At the start of the ceasefire, Israel began allowing Palestinians to cross Netzarim to head to their homes in the war-battered north and the withdrawal of forces from the area will fulfill another commitment to the deal.

It was not clear how many troops Israel had withdrawn on Sunday.

The sides are meant to begin talks on the truce’s second stage but there appears to have been little progress.

Israeli Prime Minister Benjamin Netanyahu was sending a delegation to Qatar, a key mediator in talks between the sides, but the mission included low-level officials, sparking speculation that it won’t lead to a breakthrough in extending the truce. Netanyahu is expected to convene a meeting of key Cabinet ministers this week on the second phase of the deal, but it was not clear when.