Firefighting efforts have been hampered by the presence of mines and unexploded ordnance left over from the civil war, as the country grapples with the worst drought in decades.

The authorities confirmed that people had died as a result of the flooding along the Guadalupe River, and urged those living near the river to seek higher ground immediately.

A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.