U.S. debates school reopening, WHO warns ‘no return to normal’

A chain-link fence lock is seen on a gate at a closed Ranchito Elementary School in the San Fernando Valley section of Los Angeles on Monday, July 13, 2020. Amid spiking coronavirus cases, Los Angeles Unified School District campuses will remain closed when classes resume in August, Superintendent Austin Beutner said Monday. (AP Photo/Richard Vogel)

MIAMI — The resurgence of the coronavirus in the United States ignited fierce debate Monday about whether to reopen schools, as global health officials warned that the pandemic will intensify unless more countries adopt comprehensive plans to combat it.