BEIJING - A "system failure" caused a robotaxi outage involving multiple vehicles operated by Baidu's Apollo Go in central China's Wuhan, local police said on Wednesday, re-igniting safety concerns over the fast-growing service.Police received reports late on Tuesday that numerous Apollo Go cars had stopped in the middle of roads in Wuhan and were unable to move, according to an official statement.Passengers were able to exit the vehicles safely and there were no injuries, police said.The cause of the incident is still under investigation.At least 100 Apollo Go vehicles were…READ FULL ARTICLE