Two polio vaccination
workers have been killed in a landmine blast in the Kurram tribal region
of north-west Pakistan, officials say.
The men were visiting a village in the Malikhel area when the mine went off. No group has claimed the attack.
Correspondents say Sunni militants may have planted the mine -
the upper Kurram area is dominated by Shias who do not oppose
anti-polio efforts.
Read more www.bbc.co.uk
