Two police officers protecting polio workers in Pakistan shot dead

• The attackers, travelling on a motorcycle, opened fire on a police car in Khyber Pakhtunkhwa province.
• Gunmen have shot dead two police officers protecting polio vaccination teams in northwestern Pakistan, a day after four officers protecting polio workers were kidnapped.
• A third officer was injured in the attack, which occurred as the officers were travelling to a nearby village to protect polio vaccination teams.