Patna, April 12 -- Urmila Devi, the 70-year-old mother of a senior Bihar police official Ashwani Kumar, who was allegedly lynched by a mob in West Bengal, died of shock in Purnea district on Sunday.

Police said that the Station House Officer (SHO) of Kishanganj police station Kumar led a police team to Pantapara village near Panjipara under Goalpokhar police station area at Islampur district of West Bengal early on Saturday morning when a mob attacked them.

Kumar,50, died on the spot.

Soon after hearing the news, Devi, who was a heart patient, became unconscious and went in a deep state of shock that resulted in her death.

"Kumar had informed his Bengal counterpart prior to the raid. While carrying out the raid, over 100 men attacked th...