Two people were shot to death early yesterday in separate incidents in the District, raising to seven the number of people killed in the District since Friday night and setting a record for the number of homicides in the city at this time of year.

The two male victims were the 344th and 345th homicides in Washington in 1990, 20 more than the number of people slain by this time last year. In 1988 the number of people killed in the same period was 238. A total of 27 people have been killed in the District this month.

D.C. police said Sibley Hammonds, 25, of the 1600 block of New Jersey Avenue NW, was found about 1:25 a.m. lying in a hall inside 203 N St. NW. He had been shot several times and was pronounced dead at 2:55 a.m. by the D.C. Medical Examiner's Office.

The second homicide victim was discovered about 3:30 a.m. by officers inside 1247 Talbert St. SE. A police spokesman said Jeffrey Wilkins, 27, of the 1300 block of Morris Rd. SE, had been shot several times and was pronounced dead a short time later at D.C. General Hospital.

A few minutes after Wilkins was found, D.C. police broadcast a description of a car believed to be linked to the shooting. Officers spotted the vehicle near Wheeler Road and Southern Avenue and chased it to the 4800 block of Wheeler Hills Drive in Oxon Hill.

The driver of the car, identified by police as Byron Cole, 27, of the 6400 block of Livingston Road in Oxon Hill, was arrested after a foot chase and charged with murder. Cole was being held last night in Prince George's County and is expected to be returned to the District, police said.

During that foot chase, meanwhile, officers using a dog found a severely decomposed body, Prince George's County police said.

A county police spokeswoman said the body, which was found in a wooded area, appeared to be that of a male, who was wearing a striped, short-sleeved shirt, blue jeans and white tennis shoes. No cause of death could be determined. The body was sent to the state Medical Examiner's Office in Baltimore.