Two gun-toting suspects knocked over a Bedford-Stuyvesant business, authorities said. The two men stormed the offices of RDJ International on Stuyvesant Avenue near Kosciuszko Street at about 3:50 p.m. Monday and waved their weapons at two workers, police said. The victims, 27 and 51, handed over their cellphones, credit cards and unspecified sums of cash, and the pair ran off with the haul, cops said. No injuries were reported in the holdup.

A thug robbed a man at gunpoint outside a ­Cypress Hills apartment building, police said. The 43-year-old victim was near the doorway of his building on Atlantic Avenue near Linwood Street at about 6:30 p.m. on the Fourth of July when the hood walked up, pulled a gun and demanded his valuables, cops said. The victim forked over his jewelry, wallet and a Samsung cellphone, and the mugger ran off, authorities said. Investigators released a surveillance image of the suspect walking down the street with a large gold chain on his neck. Police couldn’t immediately say if the eye-catching chain had been stolen. The victim wasn’t harmed in the stickup.

A burglar broke into a Midtown newsstand and swiped cash and lottery tickets, authorities said. The prowler smashed the front lock on Jani’s Newsstand on Madison Avenue near East 53rd Street at about 1 a.m. on June 28 and slipped inside, cops said. After pocketing an unspecified sum of cash and a bunch of scratch-off tickets, the thief let himself out, police said. The next day, a “person of interest” cashed three winning tickets among the stolen scratch-offs for a total of $80 at the 543 Deli on Southern Boulevard in The Bronx, officials said.

A thug stabbed a foe at an East Harlem housing project early Friday and was quickly apprehended, police said. Dennis Rowell, 25, allegedly plunged a knife into the chest of the 24-year-old victim at the Wagner Houses on First Avenue near East 120th Street at about 2 a.m. First responders rushed the victim to Harlem Hospital, where he was listed in stable condition. Rowell was arrested near the scene on charges of assault and criminal possession of a weapon, officials said. Investigators didn’t immediately reveal what spurred the attack.

An elderly man was fatally struck by a dump truck Friday afternoon in Chinatown, and the driver was taken into police custody, authorities said. The 78-year-old victim was crossing Canal Street near the Bowery at about 1:05 p.m. when he was rammed by the truck that had just come off the Manhattan Bridge and was heading west on Canal. First responders rushed the senior to Downtown Beekman Hospital, but he could not be saved. Officials are withholding his identity pending family notification. The 24-year-old driver was taken into custody at the scene, but he was not immediately charged or identified. Investigators determined that the pedestrian was in the crosswalk, although it was not immediately clear if he had been crossing on a green light.

Investigators have released a sketch of a suspect wanted in the beating of a woman in her Jackson Heights apartment building in May. The thug trailed the 22-year-old victim into her building on 77th Street at about 8:30 p.m. on May 11 and followed her up to the third floor, police said. As she was heading into her apartment, the goon jumped her and pummeled her, then took off running, authorities said. The victim received hospital treatment for a facial fracture and swelling to the neck, shoulder and arm, officials said. It was not immediately clear what prompted the vicious assault. The suspect is believed to be in his 30s. He stands about 5-foot-11 and was sporting a messy afro beneath a cap.