At least three people including an activist of a political party were shot dead in Karachi, south Pakistan, late Saturday. A man was shot dead in Golimar area while some unidentified person shot dead an activist of a political party in PIB Colony. According to details, 28-year-old Sohail Hussain, an activist of a political party, was busy in wall chalking in PIB Colony when some unidentified persons opened fire and injured him. He was rushed to Abbasi Shaheed Hospital, where he succumbed to his injuries. On the other hand, victim of firing in Arambagh five days ago also died while a man was injured in firing in Purani Sabzi Mandi area.