QUETTA: At least four people were killed and more than thirty others injured in a powerful explosion in Nichari road area of Quetta, while a bomb explosion in Karachi has killed two people and injured several others.

Mir Zubair Mehmood, the Capital City Police Officer in Quetta told Dawn.com that the casualties were due to suicide bombing.

"Yes it was a suicide blast", the CCPO confirmed. He said around a dozen shops and two houses were also destroyed in the powerful blast.

However, security officials said two frontier corps personnel were also among the dead. They said that the suicide bomber rammed his explosive laden vehicle in a wall near a frontier corps check post.

The bomb disposal squad told Dawn.com that 80 to 100 kilogram of explosive materials were used in the attack. The strength of blast jolted nearby areas and its loud and powerful sound was heard far and wide in Quetta city.

This blast came in the aftermath of three coordinated blasts which left eight people injured in the city. There was no immediate claim of responsibility.

Karachi bomb explosion

Meanwhile, in Karachi a bomb exploded near the election camp of a political party, leaving two people dead and several others injured.

The blast took place at Peoples Chowrangi after which several shops were closed down.

SSP Imran Shaukat addressed the media and confirmed the two fatalities.