At least five people were killed and several others were injured in a school shooting incident in Austria's Graz on Tuesday, Euro News reported, citing domestic press.
The governing FIA and sport's commercial rights holders Liberty Media have suggested a reverse-grid qualifying race on the second Saturday to decide that Sunday's starting order and add to the excitement.
The front row lockout was a record-equalling 65th for champions Mercedes.
'It is going to be a lifelong thing for me.'
Italy's Mugello circuit will make its debut on the Formula One calendar in September to host Ferrari's 1,000th grand prix, the sport announced on Friday, with Russia's race in Sochi also confirmed. The September 13 race, to be called the Grand Prix of Tuscany Ferrari 1,000, will follow on from the September 6 Italian Grand Prix at Monza as the ninth round of a season that has been heavily revised due to the COVID-19 pandemic.
Six-times world champion Lewis Hamilton dominated the Styrian Grand Prix in a Mercedes one-two on Sunday to celebrate his 85th Formula One win and move a step closer to Michael Schumacher's record of 91 victories. Finnish Team mate Valtteri Bottas, winner of last weekend's season-opener behind closed doors at the same Austrian circuit, finished a distant runner-up with his championship lead cut to six points.
Given how well Hamilton drove last weekend to win the Styrian GP in Austria, few would bet against the British driver securing an eighth success
The 2019 Formula One world championship starts on March 17 with 21 races in a season that ends later than any since 1963.