Extremist bomb attacks killed at least 126 people on Thursday in one of Pakistan's deadliest days for years, raising concerns about rising violence in the country ahead of general elections. The worst attack saw two suicide bombers kill 92 people in the city of Quetta, in an area dominated by Shiite Muslims. Sunni militant group Lashkar-e-Jhangvi claimed responsibility for the blasts. Duration: 00:51