LOS ANGELES — AIDS Walk Los Angeles is protesting Santa Monica, Calif.-based Big Blue Bus’s refusal to accept paid notices promoting the organization's 2012 fundraiser, Los Angeles Times reported.

AIDS Walk Los Angeles has promoted its annual event with ads posted on the city's municipal Big Blue Buses for the last five years. However, a transit official told the Times that last year, the Santa Monica city attorney's office ordered Big Blue Bus officials to stop accepting the ads because they violated the transit system's long-standing policy banning non-commercial advertising. For the full story, click here.