At least two people have been killed and 50 wounded after a bomb exploded in Pakistan's busy port city of Karachi.<br /><br />A device planted on a motorbike may have been targeting people who had attended a political rally held by the city's biggest party - the Muttahida Qaumi Movement (MQM).<br /><br />No group has claimed responsibility for the attack on Pakistan's financial capital.<br />http://www.euronews.net/
