With the arrest of a youth, the Amritsar police busted a Babbar Khalsa International(BKI) module backed by UK-based handler Dharam Singh aka Dharma Sandhu, who originally hailed from Dhanoa Kalan village. Officials seized six sophisticated pistols, including four Glock pistols from the arrested accused identified as Onkar Singh of Jalalusma village, falling under Mehta police station here.