A car has driven into a crowd of people in Szczecin, Poland, leaving 19 injured and two in critical condition, local media reports.

The passenger car reportedly drove into a group of people waiting for at a tram stop at Rodła Square, then drove away and crashed with three other vehicles.

The driver fled but has since been arrested, Polish news channel TVN24 reports.

He is a 33-year-old resident of Szczecin, according to the publication.

At 4.30pm local time,police reported that 19 people had been injured.

Junior officer Paweł Pankau from the Szczecin police said that the number could change as more information is discovered about the event.

A video on social media purports to show numerous injured people sprawled on the floor following the crash. Other footage shows emergency crews providing support to people on the road.

Pictures circulating online show three cars crashed into each other in front of a tram stop.