Varanasi explosion: MHA issues nationwide alert

"A general alert has been sent to all state governments and they have been asked to stay on high alert," Union Home Secretary G K Pillai said here.

"It was low intensity blast which occurred at about 6.20 pm in which three-four people were injured. Subsequently we understand there could have been a stampede...as a result 15-20 people were injured. So roughly 20-25 people injured," he said.

According to Home Ministry sources, alerts have been issued to the four metropolis in particular. They said a high-level team of the National Investigation Agency is also likely to visit the holy town.

Secretary for Internal Security at MHA, U K Bansal said, "We had alerted Uttar Pradesh Police sometime back. I am sure the UP police will take it as a challenge. There is no reason for panic."