Mumbai police searched the Bombay High Court, Amitabh Bachchan`s Jalsa, BSE and Mahalaxmi Racecourse after a bomb threat email. No suspicious objects were found. A bomb threat email naming some of Mumbairsquos prominent establishments including the Bombay High Court Bombay Stock Exchange BSE actor Amitabh Bachchanrsquos residence Jalsa and Mahalaxmi Racecourse triggered a security alert on Friday prompting police and security agencies to conduct precautionary searches across the cityThe email received by.