KDBC-TV/El Paso, Texas; KVEO-DT2/Brownsville/Harlingen/McAllen, Texas; and KFMB-TV/San Diego), whose signals are readily receivable over-the-air in border areas of northern Mexico. Guam In the U.S. territory of Guam, the network is affiliated with low-power station KUAM-LP in Hagåtña. Entertainment and non-breaking news programming is shown day and date on a one-day broadcast delay, as Guam is located on the west side of the International Date Line (for example, NCIS, which airs on Tuesday nights, is carried Wednesdays on KUAM-LP, and is advertised by the station as airing on the latter night in on-air promotions), with live programming and breaking news coverage airing as scheduled, meaning live sports coverage often airs early in the morning. United Kingdom On September 14, 2009, the international arm of CBS, CBS Studios International, reached a joint venture deal with Chellomedia to launch six CBS-branded channels in the United Kingdom – which would respectively replace Zone Romantica, Zone Thriller, Zone Horror and Zone Reality, as well as timeshift services Zone Horror +1 and Zone Reality +1 – during the fourth quarter of that year. On October 1, 2009, it was announced that the first four channels, CBS Reality, CBS Reality +1, CBS Drama and CBS Action (later CBS Justice), would launch on November 16 – respectively replacing Zone Reality, Zone Reality +1, Zone Romantica and Zone Thriller. On April 5, 2010, Zone Horror and Zone Horror +1 were rebranded as Horror Channel and Horror Channel +1. CBS News and BBC News have maintained a news sharing agreement since 2017, replacing the BBC's longtime agreement with ABC News and CBS's with Sky News (which would have ended in any event in 2018 due to that entity's purchase by NBCUniversal). As of the close of the Viacom merger on December 4, 2019, Channel 5 is now a sister operation to CBS, though no major changes to CBS's relationship with the BBC are expected in the near future, as Channel 5 sub-contracts its news programming obligations to ITN. Australia Australian free-to-air broadcaster Ten Network Holdings has been owned by CBS Corporation since 2017 (and subsequently, Paramount Global). Network Ten's channels, 10, 10 Peach, 10 Bold and 10 Shake, all carry CBS programming, with 10 Shake drawing extensively from the wider Paramount Global library including MTV and Nickelodeon. Prior to the acquisition, CBS had long been a major supplier of international programs to the network. The cost of maintaining program supply