Political fight have escalated in poll-bound West Bengal over Thursday's attack on BJP chief JP Nadda's convoy. On Friday, the Ministry of Home Affairs (MHA) summoned Bengal DGP and chief secretary over the attack that has been fanning controversy. On Thursday, the convoy of BJP leaders JP Nadda and Kailash Vijayvargiya came under attack by alleged Trinamool Congress workers in Bengal while they were on their way to Diamond Harbour for a party event. The showdown continues to hog headlines between the ruling TMC and opposition party, BJP, in the poll-bound state. For more, watch the full video.