The bus, Thursday evening

You are standing on a commuter bus, in this case an auto bus by local terminology. It is edging on eleven pm. You are alone, a female traveller in a foreign but sort of familiar place. The bus is crowded due to infrequent services at this hour. You take a standing place in the centre of the bus, right in the middle of rotatinbg disc on the bend of the bus. You look straight ahead into the concertina of the bend, trying not to attract suspicion of any kind but in your peripheral vision ypu register an object not frequently seen in your everyday life. Alarm bells ring...

to be continued.