Twitter reacts to Serena's exit from Rio singles event
Reacting to world number one Serena Williams' exit from Rio Olympics' women's singles event, a user tweeted, "Ain't the end of the world. Serena Williams still the best female #Tennis player of all time". "Serena Williams saw a mosquito flying around on the court and threw the match on purpose to get back home Zika Free", read another user's tweet.