Two people were killed and another one was injured in shootings by unidentified gunmen in different parts of Karachi, the capital of Sindh province, south of the capital of Pakistan, led to the closure of the market since early Friday morning. According to police sources the unidentified gunmen set fire to tires in the street. Pakistani Police and army forces arrived to the hot areas in an attempt to end the violence. Karachi is witnessing waves of turmoil and violence for years.