India, Feb. 2 -- Hours after unidentified assailants fired five rounds outside a 10-storeyed building in Juhu owned by Bollywood director Rohit Shetty, four young men were arrested for allegedly abetting the attack.

The four men were among five suspects intercepted by Pune police based on a tip-off from Mumbai police. All five were handed over to the Mumbai crime branch which is investigating the case, Pune police commissioner Amitesh Kumar told reporters.

"At this stage, we can only say that they have been detained for aiding and abetting. Further investigation will be carried out by the Mumbai police," Kumar said; none of the detainees had any prior criminal record, he noted.

Late in the night on Sunday, Mumbai police said four of th...