India, May 9 -- Suvendu Adhikari on Saturday took oath as the first BJP chief minister of West Bengal since Independence, formally ending the Trinamool Congress' 15-year rule in the state at a high-security ceremony held at Brigade Parade Grounds in Kolkata.

Prime Minister Narendra Modi, Union home minister Amit Shah and several senior BJP leaders attended the swearing-in ceremony, which drew thousands of BJP supporters from across Bengal and neighbouring states.

Track Latest Updates on West Bengal government formation here

Security was tightened across key locations in Kolkata ahead of the event, including outside Adhikari's Chinar Park residence, Brigade Parade Grounds and the Kalighat residence of former chief minister Mamata Banerj...