Live Updates: Ukrainian Grain Has Not Gone to Countries Most in Need

MYKOLAIV, Ukraine — The embattled city of Mykolaiv emerged on Monday from a 54-hour lockdown during which officers went door to door in search of collaborators who officials say are responsible for helping Russian forces identify targets for the rockets that pound the city daily.

The governor of the Mykolaiv region, Vitaliy Kim, declared the dramatic operation…