Three contract labourers, who were working beneath the Metro Rail viaduct on 100 Feet Road in Vadapalani, were run over by a tanker lorry during the early hours of Tuesday.
Police said the three – Shankar (48), Adhinarayanan (40) and Sathyam (44) — were natives of Andhra Pradesh. They were filling mud in the median underneath the viaduct. Around 2.15 a.m., a tanker lorry that was on its way to Koyambedu ran over them. The Pondy Bazaar traffic investigation police have registered a case. The lorry driver Subramani was arrested.
Police suspect that Subramani might have dozed off. Another worker, Krishna, escaped with an injury on his knee, police said.