A truck has crashed into a crowded Christmas market in Berlin, according to German media reports.

Police have said one person is dead and multiple injuries have been reported.

The truck ran into the market outside the Kaiser Wilhelm Memorial Church, the Berliner Zeitung newspaper and the Berliner Morgenpost reported.

A photo posted by the Morgenpost showed damaged tables and stalls.

Footage on social media appeared to show a number of ambulances at the scene.