Four civilians were killed and dozens were taken hostage Wednesday in eastern Democratic Republic of Congo when suspected Islamist militants ambushed a convoy and set fire to the vehicles, the government said. Congo’s army has freed more than 50 of the…

A new report released Wednesday by the United Nations indicates extreme weather events have increased fivefold over the past 50 years, while the number of fatalities related to those events has dropped.Officials from the U.N.’s weather and climate agen…