West Bengal goes to the polls on Thursday, in the first of the two-phase high-stakes, tightly-policed Assembly election, where about 3.6 crore voters are expected to exercise their franchise in roughly 44,000 polling booths across 152 constituencies in 16 districts. (Pics/PTI)

A powerful earthquake with a magnitude of 7.5 struck northeastern and northern Japan on Monday, with a tsunami warning issued, the country's weather agency said. (Pics/AFP)