News broadcasting is the medium of broadcasting various news events and other information via television, radio, or the internet in the field of broadcast journalism. The content is usually either produced locally in a radio studio or television studio newsroom, or by a broadcast network. It may include material such as sports coverage, weather forecasts, traffic reports, political commentary, expert opinions, editorial content, and other material that the broadcaster feels is relevant to their audience. An individual news program is typically reported in a series of individual stories that are presented by one or more anchors. A frequent inclusion is live or recorded interviews by field reporters. Structure, content, and style Television Television news programs inform and discuss current events via the medium of television. A "news bulletin" or a "newscast" are television programs lasting from seconds to hours that provide updates on events. Programs can vary their focus; some newscasts discuss largely international or national matters, while others will focus on regional and local news events. Example providers of generalist broadcast news shows focusing on national and international matters include BBC News, NBC News, CNN, Fox News Channel, CNA, and Al Jazeera. In addition to general news outlets, there are many specialized news outlets. ESPNews, Fox Sports, and Eurosport News cover sports journalism topics; CNBC, Bloomberg Television, and Fox Business Network are examples that cover business news. Local programming covers the many examples of smaller stations with a regional focus. Newscasts, also known as bulletins or news program(me)s, differ in content, tone, and presentation style depending on the format of the channel/station on which they appear, and their timeslot. In most parts of the world, national television networks will have bulletins featuring national and international news. The top-rated shows will often air in the evening during "prime time", but there are also morning newscasts of two to three hours in length. Rolling news channels broadcast news content 24 hours a day. The advent of the internet has allowed the regular 24-hour-a-day presentation of many video and audio news reports, which are updated when additional information becomes available; many television broadcasters provide content originally provided on-air as well as exclusive or supplementary news content on their websites. Local news may be presented by standalone local television stations, stations affiliated with national networks or by local studios which "opt-out" of national network programming at specified points. Different news programming may be