The security staff is on campus at the main school location, which is located around Houghton Street, twenty-four hours a day, seven days a week. It does not handle these issues at the residence halls. Crime reporting: Please call the security control room at extension 2000 (020 7955 6200) or stop by the main reception/security desk in the Old Building on Houghton Street if you have any information about a crime on campus. In London, petty thieves are an issue. If you spot anything odd, call 666 (020 7955 6555) to help keep these crooks out of LSE.