Approximately 15,000 passengers, mostly Vaishnodevi pilgrims, are stranded at the Jammu railway station due to disruption in rail services in the wake of violent protests in some parts of Punjab, over the attack on a Dera sect leader in Vienna.Railways cancelled 19 trains passing through Jammu after violence broke out in Jalandhar and other neighbouring districts of Punjab on Monday. Most of the passengers include Vaishnodevi pilgrims who were on their way back.