Helicopter bumps into Czech industrial hall, killing 4 onboard

A small helicopter crashed into a building in an industrial zone in the Czech city of Plzen on Wednesday, killing all four people on board, police said.

No one else was injured in the crash.

"Police on the scene are still investigating the circumstances of the crash," a police spokeswoman said.

(Reporting by Jason Hovet, Editing by William Maclean)