The baby was killed in the capital Warsaw when a tree branch fell onto its stroller in a park, it said.

At least three other people, including a fire officer involved in a rescue operation, were killed by falling trees, while another died when gales blew him off his bicycle.

Two people were killed when a tree hit their car at Starogard Gdanski, while a tree also killed a car driver at Gizycko.

A farmer was killed under his own tractor when it capsized on a steep slope.

Road traffic was widely disrupted and tens of thousands were without electricity.