First Thing: Rescue efforts continue as death toll rises in Nepal-Tibet flood

More than 1,300 people are missing in Nepal and in Tibet after catastrophic flash floods swept through the region, killing at least 469. Plus: Six months of the war in Iran Don’t already get First Thing in your inbox? Sign up here Good morning. Rescue operations have resumed in Nepal and Tibet after a pause when a lake at the border began to overflow. The lake was formed when a wall of mud and debris hit the hub of Gyirong in Tibet on Wednesday, causing catastrophic flash floods that…