LUCKNOW, June 16 -- A bomb threat reported aboard the Thiruvananthapuram-Gorakhpur Raptisagar Express at Aishbagh railway station on Tuesday morning led to a security response, which later turned out to be a hoax allegedly linked to a passenger upset over not getting a seat in the crowded train.

Following the alert, local police, Government Railway Police (GRP) and other security agencies reached the station and launched a full search operation. Security teams immediately inspected all coaches of the train and checked passengers as part of the routine safety protocol.

"A detailed search was carried out across the entire rake and no explosive material or suspicious object was found during the operation," Lucknow police said in a statemen...