Pakistan's unpopular government, which is gearing up for elections expected within months, came under fire today for failing to improve security after a sectarian bombing in the city of Quetta killed 80 people.Related StoriesBritish-Sri Lankan journalist shot in his bedroomHundreds killed and injured in Pakistan blastBomb kills at least 67 in Pakistan marketIs this really Japan's year to return to the light?Why Burma is going back to school