A man shot five people in Texas on Tuesday, killing two, at a shopping mall north of Dallas , police said. Carrollton Chief Roberto Arredondo said it was not a random act of gunfire and that the victims knew the attacker, who was later arrested after a short chase on foot. “We don’t know exactly what the meeting was about, but we understand it to be a business relation,” Arredondo said. Video posted online showed officers with their guns drawn as they walked past doors at K Towne Plaza in an area of the city known as Koreatown . Agents from the FBI and another federal agency were among law enforcement at the scene. Carrollton is 20 miles (32.1 kilometers) north of Dallas. Of Carrollton’s 130,000-plus population, over 4,000 are of Korean descent, according to the U.S. Census American Community Survey. In the last 20 years, it has grown into a thriving Koreatown for the metro Dallas area, thanks to Korean investors.…