F1 chiefs probe invasion after Vettel's win
Officials have launched an investigation into the track invasion that marred Ferrari's celebration of a dominant victory in Sunday's Australian GP.
As Sebastian Vettel was celebrating while still on his slowing down lap, spectators swarmed on to the track before all of the cars had returned to the pitlane, in breach of FIA safety regulations.
"People were running on the track, it was unbelievable," Vettel said.
Race organiser Andrew Westacott confirmed the breach was being investigated.
"I am concerned because we have very, very strict processes that for 21 races have worked beautifully, so something went amiss," he said.
"We don't know what yet, but we have got an investigation happening with our people, including CAMS (Australia's motorsport governing body), who obviously look after the track from a race organisation point of view and a race control point of view."
This will centre on whether confusion among race marshals led to a premature signal to fans that it was safe to access the track so that they could gather as usual on the start/finish line to watch the podium ceremonies.
"From what I am led to believe, there could have been a mistake made in the signals as to when people could exit on to the track," Westacott said. "That is being investigated, so I won't speculate on the outcome of that until I have all the facts. We have CCTV, we have radio logs and other things so we can understand what happened."
Meanwhile, Lewis Hamilton has called upon Mercedes to make improvements to alleviate the tyre wear issue that compromised his race.
He led initially from pole position but was obliged by the state of his tyres to make an earlier pit stop, which enabled Vettel and Ferrari to prise away the win.
Hamilton said: "There's an area that we have to work on, obviously our tyre usage is something that we understand is where we're losing."