New Delhi: The Lashkar-e-Jhangvi, the banned anti-Shia militant outfit in Pakistan, has claimed responsibility for last week's attack on a mosque in Quetta, Balochistan, in which 53 devotees were killed. The Pakistani daily, The Nation, reported that a video tape and a letter was sent to the BBC correspondent stationed in Quetta and the news was broadcast by the British television network. In the tape, a 17-year-old boy, one of the three suicide bombers, is shown delivering a 10-minute speech against the Shia sect. In a letter delivered along with the tape, the writer accepted responsibility that Lashkar-e-Jhangvi was involved...