Riot Games announces League of Legends: Dominion, a new mode that will soon be added to League of Legends, their free-to-play DOTA-style MOBA game. Word is: "this new mode adds capture and hold gameplay to League of Legends, along with a new map, new rules and new competitive thrills to an already amazing game." We have a few Dominion screenshots and a new gameplay trailer showing off the new mode. There are also Dominion previews on Destructoid, Eurogamer, and Joystiq.