The official added there were still outstanding issues related to implementation of the agreement WASHINGTON: Hamas made a pretty significant adjustment in its position over a potential hostage release deal with Israel, a senior US administration official said on Thursday, expressing hope that it would lead to a pact that would be a step to a permanent ceasefire. “We’ve had a breakthrough,” the official told reporters on a conference call, adding there were still outstanding issues related to implementation of the agreement and that a deal was not expected to be closed in a period of days.