Speed Reads

Scary scene

Serena Williams mysteriously stumbles and flails during Wimbledon match

Serena Williams and sister Venus forfeited their Wimbledon doubles match Tuesday after Serena appeared to suffer from an unknown malady.

Wimbledon has a longer video of Serena's struggles here.

Serena looked dazed during warmups and was reportedly crying as she struggled to even catch tennis balls tossed right to her. The alarming scene came days after the top-ranked player in the world lost a stunning upset in the third round of the singles competition.