A look at the best news photos from around the world.
1Flags cover the caskets of those who died in Saturday's terror attack on a military parade in Ahvas, Iran. Thousands of mourners gathered at the Sarallah Mosque on Ahvaz's Taleghani junction, carrying caskets in the extreme heat.
2Visitors to the Royal National Park look at a large whale carcass that washed up on Wattamolla Beach, south of Sydney, Australia.
3Demonstrators shout before being arrested as they protest against U.S. Supreme Court nominee Brett Kavanaugh in front of the office of Senator Susan Collins (R-ME) on Capitol Hill in Washington.
4A train derailment near Alton, Iowa, is seen in this still image taken from a Sept. 23, 2018 video by Sioux County Sheriff.