For the second weekend in a row, D.C. police nabbed suspects they say were targeting Georgetown businesses, arresting an alleged armed robber and a man who was seen allegedly trying to kick in the door of an M Street clothing store.

At about 8:15 p.m., a man with a gun held up two employees of a Wisconsin Avenue shoe store as they walked to their car in the 3100 block of O Street NW, according to Commander Jeffrey Moore of the Second Police District. The man fled with their purses, he said.

A few minutes later, a suspect was arrested on a nearby block of P Street by Officer Rodney Hawkins. The victims identified the man, 26-year-old Sean Collins of Northeast Washington, as their assailant. Officers found a .380 caliber handgun and the two purses nearby, Hawkins said.

In a separate incident, a witness saw a man trying to kick in the glass front door of the Eddie Bauer clothing store on M Street NW at 2:30 a.m. Sunday. Moore said the would-be burglar swung at the witness with a knife, then ran off. Another witness flagged down police, and officers arrested Orlando Valasques, 22, of Northwest, in the 2900 block of M Street.

Valasques has been charged with assault with a deadly weapon, Moore said.

The arrests came a week after two volunteer officers caught a pair of burglars in Georgetown after finding them on a sidewalk carrying bags of stolen cigarettes and electric toothbrushes, which police said had come from a CVS drugstore in the area.