A man was fatally shot Sunday afternoon in Northeast Washington in the city’s second fatal shooting of the holiday weekend, and at least seven other shootings were reported in the city over the three-day period.

The second of weekend’s killings occurred about 2:30 p.m. in the 5200 block of Dix Street NE, police said. The victim was identified as Wayne Joaquin, 24, of Southeast Washington.

In addition, a large number of shots were fired late Monday afternoon in and near the 100 block of Q Street NW, where one man was killed Saturday. Seven others were wounded in that ­incident.

No injuries were reported as a result of the Monday afternoon gunfire, which apparently occurred at several spots in the Truxton Circle area. There were indications that the number of shots may have been as many as two dozen or more.

After the shooting began Monday afternoon, a chase through the neighborhood ensued, in which additional shots were fired, said Bradley Thomas, advisory neighborhood commissioner for the area.

It was not clear how many people were firing, or whether shots were being exchanged between opposing individuals or sides.

A police lieutenant said that in the wake of the Saturday morning incident, additional officers had been assigned to the Truxton Circle area. He said police made two arrests and found “multiple guns.”

The shots represented the third instance of gunfire in the Truxton area since May 22. At least one person was shot then on Bates Street. In the wake of the earlier incidents, residents of the area were left on edge.

In general, said Thomas, the ANC commissioner, before the incidents of the past few days, there had been signs that the area “had kind of quieted down.”