Lewis Hamilton sizzled in the opening practice sessions at the Australian Grand Prix as he sent an ominous message to his rivals for the new Formula One season on Friday.
The triple world champion bossed the field in the afternoon run to hold a half-second gap over Ferrari title rival Sebastian Vettel and his new Mercedes team-mate Valtteri Bottas.
Hamilton followed up his field-leading fastest lap of 1:24.220 in the first session with a blistering 1:23.620 around Albert Park in the late afternoon.
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