As many as eighteen police officials and 12 Bangladeshi nationals were injured in a pile-up of police convoy vehicles on the Mumbai-Pune Expressway in Raigad district of Maharashtra on Wednesday morning, officials said, reported the PTI.

The accident took place after one of the vehicles suddenly applied brakes in a tunnel on the Mumbai-Pune Expressway, they said.

The injured police officials were part of a team of officials who were on way to Pune airport to process the deportation of 12 Bangladeshi nationals.