This was used for three years during the 1990s after ABC News broadcasts. I am not sure who the composer is, but Score Productions seems likely given that they did a lot of music for ABC News in those days.
Welcome!
Network News Music is a website by Victor Vlam, who holds the Guinness World Record for the largest collection of news music. 1,876 hours, 2 minutes and 52 seconds. News music is rarely heard without voice-overs or fade outs to commercial, yet it leaves an impact on many people. Founded in 2002, this site is a museum for TV news themes past and present.