PHOTO COURTESY OF MEDWAY FIRE DEPARTMENT Inspector Ed Archer from the Maine State Fire Marshal?s Office picks through the remains of a house at 157 Pattagumpus Road in Medway on Thursday. The fire has been ruled an arson.

MEDWAY, Maine — Authorities charged a local man Friday with arson in connection with the latest of what authorities describe as four intentionally set fires in town. The man is the latest of seven arson suspects charged by the State Fire Marshal’s Office this week.

Douglas J. Deloge, 39, of Medway was arrested Friday afternoon at the East Millinocket Public Safety Building, where had been questioned about a fire that destroyed a vacant house at 157 Pattagumpus Road early Thursday, on Deloge’s birthday, fire marshals said.

Three other arsons have occurred in town since late October, fire marshals said in a statement that does not say whether Deloge is a suspect in those fires. The fires destroyed a pickup truck on Pinkham Camp Road near Salmon Stream at 4:15 a.m. Oct. 28 and two abandoned houses near 988 Medway Road (Route 157) at about 8 p.m. Sunday.

The parallels that investigators have said they see among the four fires are tenuous but involve a mix of several similarities, including timing, area and methodology. All but one occurred in the vicinity of Salmon Stream and two were reported between 3:30 and 4:30 a.m. Three involved abandoned dwellings.

In Augusta, meanwhile, two men were arrested Thursday night after being indicted by the Kennebec County grand jury on arson charges earlier in the day.

Fire marshals arrested Manley D. Davis, 55, of Augusta on two counts of arson and two counts of conspiracy to commit arson. The charges stem from fires that damaged his home on Murray Street in Augusta in January 2008, and destroyed his car in Belgrade in September 2005, state police said.

Investigators contend that Davis paid another man to set the two fires. That other man — Ronald Hanson Jr of Augusta — had earlier pleaded guilty to his involvement in the fires.

The second Augusta arson arrest was that of Jack D. Vogel, 53, of Augusta, who was indicted in connection with a fire at his Middle Street home in August of this year. Vogel was arrested by Augusta Police Thursday night. That fire had also been investigated by fire marshals.