In Case Of Emergency: an action-packed short story

‘Something from the menu?’ Aravinya asked the pre-teen boy in seat 9A.
‘No, thank you.’ The boy held up a newspaper. He had scrawled a message on the front page in thick black marker pen: the passenger behind me has a gun.
This short story was written before a live audience and features characters from The Cut Out, a bestselling middle-grade action thriller which was shortlisted for multiple awards.