It was chaos at YouTube headquarters in San Bruno, CA today when a shooting began at approximately 1:00 p.m. PT.
Hours later, authorities confirmed the suspected shooter, a woman, was dead, and at least four people were injured and being treated at local hospitals.
YouTube stars took to Twitter to react to the news.
Tyler Oakley wrote, “catching up now on what's happening at @YouTube HQ. hoping everyone is safe & secure. yet again, hoping for less access to guns, & as a direct result, less possibility for gun violence.”
Brooklyn and Bailey shared, “Our hearts go to those in the @YouTube space in San Bruno. We pray everyone is safe.”
Alisha Marie tweeted, “Omg!! Praying everyone @YouTube is ok.”
Justine Ezarik told fans, “So scary hearing about @YouTube situation. Afraid to retweet anything that might not be factual but I’m hoping that everyone is okay.”
Andrea Russett said, "this is so so horrifying. i don’t even have words."