Paris: Seven-time Formula One champion Michael Schumacher was in critical condition after undergoing brain surgery following a weekend skiing accident — sparking stunned reaction from drivers, fans and athletes around the world.

ESPN F1 reported that Schumacher’s wife and children were at the hospital, along with Jean Todt, his former Ferrari team boss and now president of motorsport’s governing body, the FIA. Ross Brawn, who worked with Schumacher at Ferrari and Mercedes F1 teams, was reportedly also at the hospital, where a gathering of media and fans was swelling.

As news of the accident spread, Formula One drivers used social media to wish Schumacher a quick recovery.

His former Ferrari teammate Felipe Massa, who himself recovered from life-threatening head injuries sustained at the Hungarian Grand Prix in 2009, wrote on Instagram: “I am praying for you my brother!! I hope you have a quick recovery!! God bless you Michael.”

British former world champion Jenson Button said posted that his “thoughts are with Michael Schumacher at this tough time. ... Michael more than anyone has the strength to pull through this.”

Romain Grosjean of Lotus tweeted: “All our thoughts to Schumi and his family! Hope you will recover soon #legend #Schumi.”

Support also came from leading German sports personalities, ranging from the NBA to football. Dallas Mavericks power forward Dirk Nowitzki said his thoughts were with Schumacher, while Lukas Podolski, who plays for Arsenal in the English Premier League, tweeted: “Bad news from Switzerland: please get well soon, Michael Schumacher. All the best for you, my friend! #getwellsoon #MichaelSchumacher.”

Boris Becker, the retired tennis champion now working with Novak Djokovic, posted: “Let us all pray for @realschumacher michael for a full and speedy recovery!!!”