More than 30 people were killed in a collision between a passenger plane and a military helicopter while landing at Ronald Reagan Airport in Washington. The wreckage of the aircraft fell into the Potomac River, where a search for survivors is ongoing. U.S. President Donald Trump responded by saying that the accident might have been avoided, as both aircraft had proper communication with air traffic control.
In Niš, fuel oil fumes caused the evacuation of a kindergarten and the closure of a clinic. Toxicologist Radomir K
