Sports world sends condolences to victims of Vegas shooting

Police officers stand at the scene of a shooting near the Mandalay Bay resort and casino. (John Locher/AP)

Tragedy struck in Las Vegas late Sunday night when a gunman opened fire on an outdoor country music festival.

At least 50 people have been killed with over 400 more injured in what is now the deadliest shooting in modern United States history. The sports world took to Twitter to send heartfelt condolences to the victims and their families.