the escape road. Prost stalled his car rejoining the race. Coincidentally, Senna ran out of fuel on the last lap at the very same point. At the following race, in Hungary, the FISA ordered a sit-down meeting between the two men, not wanting any repeats of the incidents from the previous two years. Prost took a sabbatical in after being fired from Ferrari for publicly criticizing the car and the team, and Senna struggled, because McLaren was no longer competitive with Williams. Prost announced his signing with Williams for the upcoming 1993 season. Senna too had wanted to join Williams, as they were the most competitive, but Prost had a clause in his contract excluding Senna as a teammate. An infuriated Senna called the Frenchman a "coward" during a press conference at Estoril, and decried his unwillingness to compete for the Drivers' Championship on equal sporting terms: I think if Prost wants to be called the sole champion, three-times world champion, come back in a sportive way, maybe win another championship, he should be sportive. The way he's doing, he's behaving like a coward. And if he wants to be sportive, he must be prepared to race anybody, at any condition, at equal terms. During the 1993 season, Prost and Senna continued their on-track rivalry. Prost was escorted by police to the Interlagos circuit for the 1993 Brazilian Grand Prix due to the hostility of Brazilians towards him. The two continued their on-track battles at Silverstone where Senna aggressively defended his position against Prost. At Prost's last Grand Prix, the 1993 Australian Grand Prix, he was pulled up by Senna onto the top step of the podium for an embrace. On 1 May 1994, Ayrton Senna was killed during the . Prost was a pallbearer at his funeral. Speaking four years after Senna's death, Prost told Nigel Roebuck that he had "always refused to speak about him". Prost stated that when Senna died "a part of himself had died also", because their careers had been so bound together. Senna had also felt the same when Prost had retired at the end of 1993, when he admitted to a close friend that he had realised how much of his motivation had come from fighting with Prost. Only a couple of days before his death, when filming an in-car lap of Imola for French television channel TF1, he greeted Prost, by then