Tornadoes touch down again in Oklahoma. Here's the latest updates. KFOR-TV Meteorologist Mike Morgan said one of the tornadoes in the Oklahoma City area was a "multi-vortex" tornado.

A rare tornado injured 19 people, two of them severely, in Luxembourg as storms hit northern Europe late Friday. Luxembourg is a small country, surrounded by Belgium, France and Germany.

Two storm chasers watched from their car as a tornado formed in Richland County, North Dakota.

As of Friday afternoon, the U.S. 192 tornado near Deer Park remained the only confirmed twister in Brevard County that was generated by Hurricane Ian.

5. Multi-vortex Some supercells can actually produce multiple tornadoes at the same time, known as a multi-vortex tornado.

A multi-vortex tornado hit Greenfield, Iowa on Tuesday, killing 4 people and injuring at least 35 others.

A multi-vortex tornado near Duke became the first ever to be filmed from the inside, thanks to a team of weather researchers and storm chasers.