IDF struck over 400 targets in Gaza overnight, including southern city of Khan Younis ■ Gaza health officials: 200 killed since truce ended on Friday morning ■ Mossad team that was in Qatar to negotiate new truce recalled 'following an impasse' ■ At least 1,200 civilians and soldiers killed in Israel since Oct. 7; over 159 hostages still held in Gaza ■ Hamas-controlled health ministry: at least 15,200 dead in Gaza