Three burned in Warrego Highway bus fire What remains of a bus that caught fire on the Warrego Highway on Tuesday. Photo: Seven News. A bus driver suffered burns to his face and hands when a bus was engulfed by flames on the Warrego Highway west of Brisbane. The 45-year-old male bus driver was among three people left nursing burns after the back of the Stonestreet's Coaches bus caught fire on the highway near the town of Helidon Spa about 2.15pm on Tuesday. All 20 passengers on board the bus at the time managed to escape before the vehicle was engulfed by flames. The scene of a bus fire on the Warrego Highway on Tuesday. The bus driver was taken by ambulance to a Gatton health facility for treatment. The two injured passengers were treated by paramedics at the scene for minor burns. Nothing remains of the bus but its charred hull. The bus fire also sparked a small grass fire on the side of the Warrego Highway. Motorists travelling east on the highway from Toowoomba faced lengthy delays on Tuesday afternoon as emergency crews cleared the wreckage. The blaze occurred only hours after a truck carrying urea caught fire on the Toowoomba Range, according to The Gatton Star. The truck was destroyed, but the driver escaped without injury.