Quetta: The severed head of the suspected suicide bomber of the Quetta Civil Hospital blast was sent to Islamabad on Wednesday for DNA test.

The police said that face-screening of about 150 people present in the area has been completed with the help of CCTV cameras.

The blast had claimed 70 lives while over 150 had also been injured.

Meanwhile, more than 20 suspected persons have been rounded up in different parts of the Quetta city.