A massive sinkhole opened in the parking lot of the new IHOP restaurant on Frontage Road in Meridian at about 7:15 Saturday night, swallowing more than ten vehicles. Witnesses reported hearing a loud boom, then seeing the ground sink. No injuries were reported in the incident, officials said. Multiple agencies responded, including the Meridian Police Department, Lauderdale County Emergency Management, Meridian Fire Department and Lauderdale County Fire Service.