6 people, including multiple children, hospitalized after Plano home leveled in explosion, officials say The explosion happened around 4:40 p.m. in the 4400 block of Cleveland Drive in Plano, according to Plano Fire Department officials. Author: Jake Harris Updated: 8:00 PM CDT July 19, 2021 PLANO, Texas — This story will be constantly updated. Check back for updates. Six people - including three children - were taken to the hospital and a Plano home was completely leveled with significant damage to neighboring homes Monday after an explosion. It happened around 4:40 p.m. in the 4400 block of Cleveland Drive, according to Plano Fire Department officials. Fire officials said they shut off natural gas lines in the area. Atmos Energy and Oncor investigators were on the scene, as were members of the city's hazardous devices unit, though officials said that is standard protocol.