Maharashtra Navnirman Sena (MNS) chief Raj Thackeray today launched a fresh attack on north Indians, singling out the arrest of terrorists from Bihar, in the 13/7 serial blasts case.

"I have been saying that due to influx of north Indians, terror activities are on the rise. The arrest of terrorists hailing from Bihar yesterday, in the 13/7 serial blasts case, has confirmed my claim," Raj told reporters here.