Mumbai, Nov. 9 -- The city police have traced the vehicle in which three suspicious men on Monday asked a taxi driver the address of industrialist Mukesh Ambani's house Antilia, forcing Mumbai police to sound a mild alert across south Mumbai. The vehicle turned out to be a tourist car, the police said.

The driver was questioned and was let off after questioning as nothing suspicious was found from his interrogation, the police said.

The Mumbai Police had on Monday intensified vigilance in south Mumbai, specifically, around Mukesh Ambani's house Antilia, after a taxi driver informed the Azad Maidan police that suspicious men travelling in a Wagon R car had asked him the address of the industrialist. The driver also told police that the p...