Slippers and stones were thrown, and "murdabad" slogans were raised as a crowd blocked the convoy of Bihar's Deputy Chief Minister Vijay Kumar Sinha in his constituency, Lakhisarai, this afternoon. Sinha, a Bhumihar leader and a three-time MLA, is contesting from his home seat this time too, and was visiting polling booths as Bihar votes in the first phase of a high-voltage Assembly election.