Martin Brundle believes Lewis Hamilton ’s “sarcastic” radio messages to his Ferrari team in Miami indicate “how upset” the British F1 driver is with his current lack of performance.

That comes following a frustrating Miami GP for Ferrari and its drivers Lewis Hamilton and Charles Leclerc, with the use of team orders triggering a string of fiery comments from

"Have a tea break!" Hamilton's radio jab doesn't expose a rift in the team, but there is a growing sense of urgency