A man was injured in a hand grenade blast in Quetta on Thursday, reported 24NewsHD TV channel.

The blast took place near railway track at Saryab Road of Quetta injuring a person.

Rescue teams have been dispatched to the blast site who confirmed the casualty.

The security forces personnel have cordoned off the area while further investigation was under way.

A day earlier, three persons were injured in another grenade attack at a shop located also on Sariab Road on Wednesday.

According to police, unidentified motorcyclists hurled a hand grenade at a shop near Sariab Road Badini Chowk, injuring three persons. The injured persons had been shifted to Civil Hospital for medical treatment. 

On October 18 last, one policeman was had embraced martyrdom and 16 persons including 13 police personnel were injured in a blast that occurred near Balochistan University in Quetta. 

Reporter Rizwan Saeed