PRINCE GEORGE'S COUNTYMother, Son Arrested After Fight at SchoolPrince George's County police arrested a Forestville woman and her son Thursday night in connection with a suspected attack on a 14-year-old student at Stephen Decatur Middle School. Police arrested Nicole Thomas, 31, and her 15-year-old son on assault charges, Cpl. Debbi Carlson said. Thomas was released on $7,500 bail, and the boy was released into the custody of relatives. Police did not identify him because he is a minor.

A 13-year-old son of Thomas's had been involved in a fight with the 14-year-old boy Wednesday. When Thomas, another adult and the 15-year-old went to the school to pick up her son, they saw the 14-year-old boy on their way out and confronted him in an incident that was recorded by security cameras.

Carlson said the video shows the 15-year-old boy suddenly punching the 14-year-old, starting a melee in which the mother became involved. The school's principal and other staff members broke up the fight and took down the license plate number on the car Thomas had arrived in before she and the others left the scene.

"It was a good job on the principal's part," Carlson said.

-- Nelson HernandezMan Who Left Group Home Found at Hospital A 66-year-old Prince George's County man who was reported missing this week was found, police said yesterday. Michael Cornelius Bowler walked away from a senior citizens group home in the 5000 block of Mangum Road on Wednesday. A nurse at a hospital alerted authorities yesterday that Bowler had voluntarily checked into the hospital for observation.

FEDERAL COURTIndonesian Man Admits Role in Arms Scheme An Indonesian citizen arrested in an elaborate sting involving a Maryland business that was secretly run by federal agents has pleaded guilty to international arms trafficking and money laundering, Maryland U.S. Attorney Rod J. Rosenstein said. Erick Wotulo, 59, a retired Indonesian Marine Corps general, admitted in federal court in Baltimore yesterday that he conspired to illegally ship surface-to-air missiles and other sensitive military equipment to a Sri Lankan rebel group, the Tamil Tigers.

Rosenstein said that Wotulo contacted the undercover business in June and said he was acting on a request from the chief of the rebel group, which the United States has designated a terrorist organization. In the months that followed, the undercover business received payments of more than $700,000.

-- Eric RichMONTGOMERY COUNTYMan Charged With Sexually Abusing GirlMontgomery County police arrested a Deer Park man who they say is responsible for sexually abusing an adolescent girl when he was her mother's boyfriend. After a three-month investigation, detectives charged Paul Raymond Heller III, 60, of the 2100 block of Paradise Point Road with third-degree sex offense and sexual abuse of a minor.

Police say the abuse occurred between January 2003 and April 2004, when the victim was 10 or 11 and Heller was living with her family in Rockville. The victim reported one incident of inappropriate touching, and there might have been others, police said.

The girl's mother and Heller have since ended their relationship. In December, a social worker counseling the girl, then 14, notified authorities of possible abuse. Heller was released on $50,000 bail. Detectives said they are seeking other possible victims.

-- Tara BahrampourSUV Driver Killed in Crash in BurtonsvilleThe driver of a sport-utility vehicle was killed last night in the Burtonsville area when the vehicle went out of control, rolled onto its roof and hit a car, Montgomery County police said. The collision occurred shortly after 6 p.m. on Sandy Spring Road near Dino Drive.

-- Clarence Williams and Martin WeilCHARLES COUNTYStudent Accused of Taking Gun to SchoolCharles County authorities said yesterday that they charged a ninth-grader who took an unloaded, stolen handgun to school in his waistband. The vice principal of Thomas Stone High School in Waldorf learned Thursday that a student had a gun, officers said. They said he told an officer assigned to the school, who got the gun.

It was reported stolen five years ago in Waldorf. The student, Francis E. Young, was charged as an adult with possessing a stolen firearm and carrying a concealed deadly weapon, the county sheriff's office said. to Young was released on his own recognizance.

-- Dan MorsePUBLIC SERVICE COMMISSIONEhrlich Appointee to Quit Utilities PanelCharles R. Boutin said he will leave Maryland's Public Service Commission, giving Gov. Martin O'Malley (D) another slot to fill on the embattled panel that regulates the state's utilities.

Aides to O'Malley said yesterday that they had agreed to pay Steven B. Larsen, who was nominated last week to be chairman, $185,000 a year, up from the $117,000 pay received by former chairman Kenneth D. Schisler, who resigned. last month. O'Malley aides said the salary of other members, $99,000, is under review.

-- John Wagner