Floods wash away children, scorching heat envelops the West as wildfire smoke overtakes northern US WASHINGTON CROSSING, Pa. (AP) — Emergency crews in suburban Philadelphia intensified their search Monday for a missing 9-month-old boy and his 2-year-old sister who were swept away in a family car when torrential rains flooded a roadway. While the East Coast grappled with the aftermath of downpours that closed roads and rendered the water supply undrinkable in places, the West and other parts of the country contended with sizzling temperatures and unsafe air quality attributed to Canadian wildfires. In eastern Pennsylvania, authorities described Monday's search...