The Palestinian militant group Hamas will likely replace Yahya Sinwar with a new political leader based outside Gaza while his brother – Mohammad Sinwar – is expected to assume a bigger role directing the war against Israel in the territory, sources say. In its leadership deliberations, Hamas must consider not only the preferences of its main backer Iran, as well as other regional allies. Sinwar, an alleged mastermind of the 7 October 2023 surprise attack on southern Israel, was killed by Israeli forces in a gunbattle on Wednesday — the second time in less than three months that Hamas has los…