The security officer
The passengers standing around the seat explained to Jessica that they had already asked if they could sit there and had also been ignored by the woman. One of the men told her, loudly enough for the woman to hear it above her music, that he had already called over the conductor.
As the train approached the next stop, the sliding doors of the cabin opened up and one of the railway’s security officers walked up to Jessica and the other passengers. He clearly knew what was going on and gave them a reassuring look. The officer passed by the group of people and stopped in front of the seat with the bag on it.