Kolkata, Oct. 14 -- Kolkata's "rainbow flyovers," whose carriageways were painted in rainbow colours ahead of Durga Puja, sparked safety concerns after at least three motorcyclists were involved in accidents on the Chingrighata flyover on the EM Bypass, which connects Kolkata and Bidhannagar, on Tuesday afternoon.

A 10-second video clip, reportedly captured by a car's dashboard camera, showed at least three motorcyclists skidding on the freshly painted carriageway of the flyover while it was drizzling. None was injured, police said.

This is the first Durga Puja since the Bharatiya Janata Party (BJP) came to power in May this year with a sweeping victory. The new government has lined up a series of events to celebrate the festive season,...