Six people were reportedly killed in a gunfight in Slovyansk, a city in eastern Ukraine held by pro-Russian protesters. The fatalities include four protesters and two attackers. The protesters manning the checkpoint have said that the attack was carried out by Right Sector militants, though this has not been confirmed. Credit: YouTube/Graham Phillips
Following the alleged bust-up between Chris Brown and Drake's entourages, here's a look at a few other famous celeb rivalries! Mariah and Eminem, Kim Kardashian and Jon Hamm, Jen Aniston and Angelina Jolie, Jon Stewart and Glenn Beck.
10 Unsuccessful Sporting Comebacks
Some were sporting legends others infamous cheats, but all 10 of these high-profile athletes failed to make a comeback.
Music = Hard Up by Bob Bradley and Gavin McGrath