Nineteen passengers were wounded when the bus they were traveling overturned along the South Luzon Expressway (SLEx) in northern Philippine province of Laguna on Monday, local media reported. The bus coming from Lipa City in northern province of Batangas lost one of its tires in Laguna province at 6:20 a.m. Monday and turned on one side, Inquierer quoted Chito Sibol, spokesman of SLEx, as saying. Nine passengers were taken to Binan Doctors Hospital, another nine to San Jose Hospital and Trauma Center and one was taken to Fernando Airbase Hospital. The accident caused heavy traffic along SLEx. Investigation on the accident is underway.