Palestinian Islamist movement Hamas announced on Monday that it had elected Khalil al-Hayya, the group’s lead negotiator in indirect ceasefire talks with Israel, as the new head of its political bureau.“The Islamic Resistance Movement (Hamas) announces the election of brother mujahid Khalil al-Hayya as head of the movement’s political bureau, succeeding the martyred leader Yahya al-Sinwar,” Hamas said in a statement.Sinwar, whom Israel accused of being one of the principal architects of the...