NASHUA – Four people face numerous charges, including felonies, after a crash scene involving a school bus and two cars suddenly turned violent for reasons police are still investigating.

Police said in a statement that officers called to the crash, which took place on Tinker Road near Fireside Circle Monday afternoon, spoke with firefighters and ambulance personnel. After confirming there were no injuries, officers began investigating the crash.

Officers had just identified the driver of one of the cars as Emanuel Perez, 25, of 38 Falconer Ave., Milford, when “three individuals associated with Perez” arrived at the scene, police said.

One of them, Ivan Perez-Garcia, 36, of 16 Wilder St., Nashua, allegedly became unruly, and began yelling and swearing while allegedly interfering with emergency services personnel, police said.

Police didn’t specify what may have set Perez-Garcia off, but they said when officers tried to take him into custody, Perez, the driver, allegedly joined the fray and “physically interfered” with the officers.

Next to allegedly get involved – and eventually also arrested – were Ricardo Perez, 31, and Lauren Benuck, 26, both of 16 Wilder St., police said.

The two are also accused of physically interfering with the officers as they tried to take Perez-Garcia into custody.

All of them allegedly disobeyed officers’ commands and physically resisted their attempts to detain them, leading to their arrests, police said.

At one point, police said, Emanuel Perez allegedly wrapped his arm around the neck of Officer Alex Mann “and applied pressure … causing impeded blood circulation,” according to the report.

Serious injury was averted when other officers, several good Samaritans and Nashua firefighters still on the scene, went to Mann’s assistance and freed the officer from Perez’s grasp.

The Samaritans and firefighters also helped the officers place the four suspects under arrest, police said.

They said Mann was transported to a local hospital, where he was treated and later released.

Charges for each of the suspects are listed:

• Emanuel Perez – One count, second-degree assault – strangulation, Class B felony; one count each, hindering apprehension or prosecution, and resisting arrest or detention, Class A misdemeanors; and one count, following too closely, a motor vehicle violation.

He was released on $1,000 cash bail and is scheduled for arraignment Sept. 26 at Superior Court.

• Ivan Perez-Garcia – Two counts, disorderly conduct; and one count each hindering apprehension or prosecution and resisting arrest or detention, Class A misdemeanors.

He was released on personal recognizance bail pending arraignment on Nov. 1 in Nashua district court.

• Ricardo Perez – One count each, simple assault, hindering apprehension or prosecution, and resisting arrest or detention, Class A misdemeanors.

He was released on $200 cash bail pending arraignment on Nov. 1 in Nashua district court.

• Lauren Benuck – One count each, hindering apprehension or prosecution and resisting arrest or detention, Class A misdemeanors.

She was released on personal recognizance bail pending arraignment on Nov. 1 in Nashua district court.

Police said there were 10 children on the bus at the time of the crash. They indicated the bus was still operable and didn’t need to be towed.

Police didn’t identify the driver of the bus, nor the driver of the other car involved.

Police ask that anyone with any information on the incident to contact the department’s Crime Line at 589-1665.

Dean Shalhoup can be reached at 594-1256, dshalhoup@nashuatelegraph.com, or @Telegraph_DeanS.

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