Wiesloch (dpa / lsw) - After a suspected chemical leak in Wiesloch (Rhein-Neckar district), emergency services cleared several buildings. Police, fire brigade and rescue workers were on site with a large contingent on Tuesday, the police said. The substances are said to have escaped in a central warehouse in an industrial area. Residents should keep windows and doors closed. The cause and which chemicals it should be exactly were initially unclear.