Fighting between Israeli forces and Palestinian militants near the main hospital in central Gaza has caused medics, patients and displaced people to flee, witnesses said Monday. The withdrawal by Doctors Without Borders and other aid groups from Al-Aqsa Martyrs Hospital in Deir al-Balah spread panic among people sheltering there and led many to leave for the southern part of the besieged territory. In southern Lebanon, meanwhile, an Israeli airstrike killed a senior Hezbollah commander, a Lebanese security official said, just as U.S. Secretary of State Antony Blinken is visiting regional capitals in a bid to head off a wider conflict....