The atmosphere was tense till late in the night and ADM Vishal Singh and Senior Superintendent of Police of Ghaziabad Deepak Ratan were present at the spot along with other officials. Eight people have been arrested and raids were on to round up the others.
While six of the injured were rushed to the Guru Tegh Bahadur Hospital in Delhi, four were taken to Navjeevan Hospital in Ghaziabad. Two of them are said to be in serious condition. The circle officer of border area Satpal Singh suffered serious injuries. Additional forces are expected to be deployed during the night, police said.