Security Alert ----------------------------------------------------------------- At 8:05 p.m. on Saturday, Oct. 21, three males approached five Hopkins students, walking north in the 3000 block of N. Calvert Street. One of the assailants pointed a gun at the students, demanded their property and ran east on the 200 block of E. 31st Street. Two males were arrested by Baltimore City Police at 527 E. 27th Street and will be charged with the robbery. At 10:30 p.m. on Sunday, Oct. 22, a visiting alumna was approached at the front foyer leading to the lobby of the Homewood Apartments by a male who pulled the alumna's purse from her shoulder, breaking its strap. She was not injured in the incident.