Hyderabad: Police opened fire in the air after a four-member gang tried to attack them here, police said on Saturday.

The incident took place on the intervening night of Friday and Saturday under Chilakalguda police station when the gang tried to snatch a mobile phone from one of the personnel involved in the decoy operation.

According to a senior police officer, four people came on two motorcycles and tried to snatch a mobile phone from a policeman. The gang also tried to attack the police.

"In self-defence, a constable had to fire one round in the air, following which the four-member gang surrendered. They have been taken into custody and are being interrogated," the officer said.

The officer further said that they have been running the fake operation for the last one month and a gang of eight cell phone snatchers has been arrested.