Police say vaccination drive will continue despite the attack.
U.S. president is first American leader to be invited to the Indian event.
Jamaat-e-Islami calls for U.N. ban on blasphemy in Islamabad demonstration.
Protesters demand Islamabad cut all ties to France.
American president asks lawmakers during State of the Union address to expand war powers to defeat Islamic State.
P.M. Sharif forces petroleum minister to apologize and assures public shortage will be resolved within a week.
Exchange of fire took place during operation to clear suspected militants from tribal agency.