PAKISTAN: Gunmen on motorcycles opened fire on polio workers and their escort during a door-to-door vaccination campaign in north-western Pakistan today, killing an officer and a polio worker, police said.

No-one immediately claimed responsibility for the attack in Bajur, a district in the Khyber Pakhtunkhwa province and former Pakistani Taliban stronghold, according to local police chief Abdul Aziz.

Pakistan’s Interior Minister Mohsin Naqvi issued a statement condemning the attack.