The safety car was called out after Carlos Sainz lost control and crashed on the first lap, and the crane – and at least one marshal – were on the circuit when the safety car led the field through the next time round, prior to a red flag before the end of that lap.
The presence of the tractor only became apparent to the world at large after Pierre Gasly, who pitted for a new nose and was trying to catch the queue, passed by the tractor.
