Security has been tightened for Kerala Chief Minister Pinarayi Vijayan after an anonymous message threatening his life was received today, police said.
A person at Kunnamkulam in Thrissur district got the message on his mobile phone threatening that an attempt would be made on the chief minister's life, they said.
The cyber cell's assistance has been sought for investigating the matter.
The chief minister is in Palakkad, a neighbouring district of Thrissur, in connection with the CPI-M district conference, they added.
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