Gunmen earlier today, murdered a policeman guarding a polio vaccination team in Karachi, police officials said, the latest attack on efforts to stamp out the crippling virus in Pakistan.
The attackers on a motorbike shot the policeman in the western neighbourhood of Paposh Nagar and then fled, senior police official Chaudhry Asad told the media.
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However,The vaccination drive remained unaffected by the shooting as the brave vaccinators decided to continue their work.
Pakistan is one of only three countries where polio remains endemic.
Attempts to eradicate it have been badly hit by terrorist outrages and attacks on immunisation teams have claimed 68 lives since December 2012.