Three more polio workers shot in Pakistan; eight dead in 48 hours

(Reuters) - Three workers in a polio eradication campaign were shot in Pakistan on Wednesday, and two of them were killed, the latest in an unprecedented string of attacks over the past three days that has partially halted the U.N.-backed campaign.

http://www.reuters.com/article/2012/12/19/us-pakistan-polio-idUSBRE8BI08Q20121219