Frantic children called 911 at least half a dozen times from the Robb Elementary School where a massacre was unfolding, pleading for police to intervene, as some 20 officers waited in the hallway nearly an hour before entering and killing the gunman, authorities said.
A group of protesters angered over the shooting deaths of Texas elementary school students converged outside the gun-lobby National Rifle Association's annual convention in Houston.
Shanghai took more gradual steps towards lifting its COVID-19 lockdown while Beijing was investigating cases where its strict curbs were affecting other medical treatments as China soldiered on with its uneven exit from restrictions.
The Russian invasion of Ukraine, Muslims celebrate the holy month of Ramadan, spring blooms, Christians celebrate Easter and more top photos from April 2022. Produced by David Lucas
