A large police operation was under way in Germany yesterday to find one or more shooters who killed two men the day before in the centre of the country, police said.

The bodies of the two victims, both with gunshot wounds, were found in front of a residential address in Bad Nauheim, a town north of Frankfurt, on Saturday afternoon, Giessen city police said.

"A big force deployment" of police from uniformed, plain clothes and special forces branches have fanned out, backed by a helicopter, to find the perpetrator or perpetrators, it said.

"The current understanding is that there is no danger for inhabitants or other people," police said.

There was no information yet about the "circumstances, or the motive of the perpetrators", they said.