US has communicated need to not escalate conflict to Iran and Israel, says Blinken Reuters.comMiddle East Crisis Appointment of New Hamas Leader Casts Further Doubt on Cease-Fire Deal The New York TimesMiddle East crisis live: US warns Israel and Iran that conflict must not escalate The GuardianIsrael-Hamas war latest: New Hamas leader can ensure a cease-fire deal is reached, Blinken says The Associated Press‘Hostage deal fate in Sinwar’s hands,’ Blinken says The Jerusalem Post