The phrase "a group of violent" is not complete and lacks clarity in written English.
It can be used when referring to a collection of individuals characterized by violent behavior, but it needs additional context to be fully understandable.
Example: "The police were called to disperse a group of violent protesters who were causing chaos in the streets."
Alternatives: "a band of violent individuals" or "a faction of violent people".
That was the address of the C & C gang, a group of violent extortionists.
Later, a unit of armed police – who claimed to be pursuing a group of violent demonstrators – approached the headquarters of the Liberal party.
In July, the Shabaab, a group of violent Islamist guerrillas, advanced through the city to within a few hundred yards of Villa Somalia before being halted by AMISOM.
And he demonized the outlawed Muslim Brotherhood as a group of violent extremists who posed a threat that he used to justify his police state.
A spokesman for the Xinjiang government told the Xinhua state news agency that a group of "violent terrorists" abducted two people in Pishan County.
Last year, a group of violent felons sued the administration of Gov. George E. Pataki, charging that the state was ignoring the law by categorically denying them parole.
In one of his first major film roles (for which he won an AFI Award) Russell Crowe is nauseatingly spellbinding as Hando, the ring leader of a group of ultra violent neo-Nazis.
In that same issue The Voice printed an investigation by Barry Michael Cooper that quoted residents of a housing complex across from Schomburg Plaza who identified several of the accused teenagers as belonging to a group of sometimes violent neighborhood troublemakers.
As he drove home from a late night's work on the Thanksgiving holiday, a group of loudly violent young men surrounded his car at Canal and Dauphine street and began pounding on the hood.
In interviews, they were also quick to push back against the media portrayal of the protesters as a group of unhinged, violent men – especially considering that many women have come to visit the occupation in recent days.
In 1930, British troops opened fire on a group of non-violent Pashtuns involved in the freedom struggle.
