Dozens more injured in attack a week after the end of a Taliban ceasfire.
The deadliest attack in the Pakistani capital in more than five years.
Will also include press freedom as part of peace talks with the Taliban.
Rival gangs opened fire and lobbed grenades in violent district of Karachi.
Splinter group's suicide attack has complicated efforts to open talks.
Kashmiri students apparently cheered rival Pakistan in a match.
At least six soldiers have been killed in a bombing in the north-west.
A judge and several lawyers are reported to be among those killed.
Troops targeted militant hideouts near Afghan border, leaving 27 dead.
Asmatullah Shaheen and two others died in ambush near Afghan border.