Unrest grips the key eastern state after Modi’s Hindu nationalist BJP wins the state election for the first time. At least four people have been killed in political unrest after Indian Prime Minister Narendra Modi’s Hindu nationalist party won the state election in West Bengal, police and party officials say. Modi’s Bharatiya Janata Party (BJP) swept the polls in its first-ever victory in the key eastern state, home to about 100 million people, winning 206 of the 294 assembly seats, according to results announced on Tuesday. Recommended Stories list of 4 items list 1 of 4 What Modi’s big win in Indian state elections could mean for its democracy list 2 of 4 ‘Hegemonic power’: How Modi’s BJP won India’s Bengal for the first time list 3 of 4 India loses its last left-wing government after five decades list 4 of 4 Why is India turning to crocodiles and snakes to ‘fence’ Bangladesh border? end of list West Bengal had been ruled by Modi’s fierce critic and adversary, Mamata Banerjee, as chief minister since 2011.…