KOTA: Security was tightened at all major railway stations in Kota division and search conducted in trains after railway authorities received a letter that threatened with bomb blasts in three trains, on Sunday.

The latter dated December 18, which the authorities of Kota railway station received on Sunday, warned of bomb blasts in
three trains on Christmas, railway officials said.

They, however, did not disclose the names of the trains, which were the 'targets'. Following this, security was tightened at all major stations of the division and all trains passing through the region were searched.

Additional forces of GRP, RPF and police were deployed at all major stations.