New Delhi, Aug. 21 -- A pigeon carrying a threat note to blow up the Jammu railway station was captured by the security forces from the border area of RS Pura in Jammu district, officials said on Thursday.

Pakistan has traditionally sent balloons, flags and pigeons carrying varied messages to the India side of the International Border (IB). However, this is the first time a pigeon has been captured carrying a threat letter for a blast, officials said.

The matter has been taken up seriously by Indian security agencies amid the prevailing threat perceptions and anti-India designs.

"The pigeon believed to be flying in from Pakistan was caught in the Katmaria area along the International Border at around 9 pm on August 18. A chit was found...