Two persons were killed and three injured after a dilapidated building on Rajaji Salai near Chennai Collectorate collapsed on Friday.

The façade of the building collapsed at 9.15 p.m. while most of the structure remained intact. The building is said to be a 100-year-old structure that housed a vehicle service centre.

According to police sources, one of the victims, Arokia Raj (35) was reportedly trapped in the debris after the structure collapsed on the road while he was crossing the stretch in his motorcycle. He was taken to Government Stanley Medical College Hospital, where he succumbed to his injuries.

The address of the person is yet to be traced. By 11 p.m., another unidentified man was found dead after some more debris were cleared by the Fire and Rescue Services. The person is likely to be a pedestrian trapped while crossing the stretch. The watchman of the building, however, escaped unhurt.

Two passengers in a share auto and a motorist were also injured and admitted to Government Stanley Medical College Hospital.

Chennai Corporation officials said they were unaware of the structural condition of the building. The civic body is yet to issue notice under the provisions of the CCMC Act for the building. Every monsoon, the Chennai Corporation officials issue notice to dilapidated buildings to ensure the safety of those living in or near such buildings. Structures likely to endanger public health or safety will have to be altered by the owner, said an official.