Forty cars set on fire in Berlin

"We desperately need tips from citizens," said Rainer Wendt, the head of Germany's police union.Forty cars have been set on fire in Berlin over the past three days and police are offering a euro5,000 reward to anyone who helps them find the perpetrators."There seems to be an individual, or a small group, setting a lot of fires, and a political intention really can't be seen," police spokesman Thomas Neuendorf told n-tv television.More than 100 officers are involved in trying to track down the vandal, or vandals, he said.Merkel, speaking across the country in Wiesbaden, condemned the attacks and pledged her government's support for police.