A Hong Kong customs officer died after his car plunged off the Shenzhen Bay Bridge while he was driving to work at a border checkpoint on Monday night. Police said they believed the 46-year-old had hit a road sign at around 9.20 pm on Monday, and that his car had bounced over the bridge barriers before plunging into the sea. The car was located at the bottom of the sea after police officers and fire services officers arrived at the scene. The man was rescued from his car by firemen and sent to Tin Shui Wai Hospital. He died at the hospital early on Tuesday morning. Addressing reporters at the …