Following the failed arson attack on a store of the US Wal-Mart supermarket chain in Berlin, police investigations are in full swing. However, no firm lead has been discovered yet, a police spokesman stated on Friday 17 May . It was not clear, either, whether the attempted attack was in any way related to the planned visit to Berlin by US President George W. Bush next week, he added. The police state protection office, which is responsible for crimes with a political background, has taken care of the investigations. Full Story