A fresh wave of violence sparked by the killings of several political activists swept Karachi.

At least six people have been killed and several others injured as violence continues in Karachi on Friday following the murders of several activists.

Eleven vehicles including four buses were also torched late Thursday. Meanwhile, there are reports of shootings in various area of the city.

On the announcement of the Education Ministry, all schools, colleges remained closed on Friday, while University examinations have been postponed.

Commuters of Karachi remained glued to bus stops, as public transport vehicles are not plying.