The phrase "acting violently" is correct and usable in written English.
It can be used to describe someone who is engaging in aggressive or harmful behavior.
Example: "The situation escalated quickly, with several individuals acting violently towards one another."
Alternatives: "behaving aggressively" or "exhibiting violent behavior".
There have also been case reports of adults and children on antidepressants acting violently.
A police officer in Chelsea, Mass., was called to arrest a student who had been acting violently at school.
Was the 12,000-pound Orca, Tilikum (Tilly for short) acting violently, possibly because of stress from captivity?
He was reportedly high on drugs and had been acting violently before officers arrived at his girlfriend's residence.
Police say Robinson was acting violently before the shooting, and had knocked Kenny to the ground before he was shot.
On Thursday, the Bahrain International Circuit released a statement calling the attack "an isolated incident involving a handful of illegal protesters acting violently towards police".
A smart student, Meg has let her grades and her attention slip and started acting out violently in school.
The police report said officers found baby milk spattered around the apartment and Carey "acting out violently" toward "items" in the condo and Francis.
In a speech to the thinktank Demos on Thursday she said that millions of young men are in distress, acting out violently or sinking into depression.
There is a very, very long history of the US government at all levels acting to violently suppress and disorganise left-leaning organisations, going right back to the nineteenth century".
But Britain is now grappling with the consequences of those cuts, which have led to the neglect and exclusion of many vulnerable, disaffected young people who are acting out violently and irresponsibly — driven by rage rather than an explicit political agenda.
