This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated.MEMPHIS, Tenn. — Fire crews were called to a vacant apartment building overnight after it went up in flames. It happened on North Watkins between Madison and Court Avenue around 12:30 a.m. Friday. Authorities said 40 firefighters were called to the scene to battle the blaze and at one point they were all ordered out of the building due to the presented danger. A section of the building did collapse, but thankfully no one was hurt. Investigators confirmed that the fire was intentionally set inside the building.