The phrase "attended in support of" is correct and usable in written English.
It can be used when describing participation in an event or meeting to provide assistance or backing for a cause or individual.
Example: "She attended the conference in support of environmental sustainability initiatives."
Alternatives: "participated to support" or "was present to back".
On an unusually rainy day for "Bre", 80 people attended in support of the aims of the marchers and in honour of Miss Hart.
In 1998, Charles Dutton (of "Cookie's Fortune" and "A Time to Kill") attended in support of his directorial debut, "First-Time Felon".
It was reported this week that Macedonia's interior minister was allegedly among those who conspired to cover-up the killing, at a rally Neskovski attended in support of the prime minister.
He also says he was verbally abused at the event, which he attended in support of fellow UKIP parliamentary candidate for Bradford West, Harry Boota.
John Mayer chatted with Katy Perry's BFF Shannon Woodward, who attended in support of her upcoming HBO sci-fi thriller "Westworld".
Various political groups also attended in support of the prisoners, including anarchist group Class War, the Revolutionary Communist Group, and the Prisoners League Associationn.
Most audience members attend in support of a specific fighter — a friend, a brother, a trainer, a sensei — so emotions, and testosterone, run high.
They told "Entertainment Tonight" that they will attend in support of Davis.
"This will be a night to remember for all who attend in support of Hoag and the patients and communities they serve". In addition to the screening, the event will feature tastings from more than 30 Orange County restaurants.
Over the past few weeks, I have gone to the Texas Capitol twice: the first time was as a last-minute decision to attend the anti-abortion bill filibuster, and second, just last Friday, was in solidarity with others who were attending in support of choice.
In 1939, Lindbergh returned to the United States and began giving heavily attended speeches in support of isolationism.
