LOS ANGELES: Fox Hispanic Media is working with JeffreyGroup on the launch of MundoFox, News Corp.'s first ­national Spanish-language broadcast network.

The agency is helping MundoFox, a joint venture between News Corp.'s Fox International Channels and Colombian broadcaster RCN Television, position itself as a new kind of Spanish-language channel. When MundoFox launches on August 13 in the US and Puerto Rico, it will compete against networks such as longtime market leader Univision and Comcast's Telemundo.

MundoFox aims to “challenge the ...