Greyhound warns staff they could be 'in the crossfire' over Adani contract

Exclusive: anti-Adani campaigners may protest bus company's involvement in controversial mine, email tells workers

The boss of the Australian bus company Greyhound has warned its workers they could be caught "in the crossfire" after signing a contract to help build the Adani coal project in Queensland.

The email from the chief executive, Alex de Waal, seen by Guardian Australia, asked staff not to "undermine your colleagues or brand" by sharing internal updates or posting to social media.