<p>Kolkata: A day after two premier schools in Kolkata received bomb threats that turned out to be hoaxes, one of the two institutes got a similar mail again on Thursday, a police official said.</p>.<p>The Calcutta International School in the southern part of the city's Anandapur area received an email claiming that a bomb was planted inside the school premises.</p>.<p>Police teams are conducting a thorough search on the premises, the official said.</p>.Cyber fraudster posing as customer care executive held in West Bengal's Kolkata.<p>No explosive material was found so far in the search, he said.</p>.<p>The Calcutta International School and the Calcutta Boys' School in the Taltala area in central Kolkata received similar threat emails on Wednesday.</p>.<p>Police had conducted searches in and around the premises of both schools and declared the threats as a hoax, they said.</p>.<p>Police had said that they were scrutinising the IP addresses of the devices from which the emails were generated to track those involved in such acts. </p>
<p>Kolkata: A day after two premier schools in Kolkata received bomb threats that turned out to be hoaxes, one of the two institutes got a similar mail again on Thursday, a police official said.</p>.<p>The Calcutta International School in the southern part of the city's Anandapur area received an email claiming that a bomb was planted inside the school premises.</p>.<p>Police teams are conducting a thorough search on the premises, the official said.</p>.Cyber fraudster posing as customer care executive held in West Bengal's Kolkata.<p>No explosive material was found so far in the search, he said.</p>.<p>The Calcutta International School and the Calcutta Boys' School in the Taltala area in central Kolkata received similar threat emails on Wednesday.</p>.<p>Police had conducted searches in and around the premises of both schools and declared the threats as a hoax, they said.</p>.<p>Police had said that they were scrutinising the IP addresses of the devices from which the emails were generated to track those involved in such acts. </p>