He was put on a stretcher and taken to the nearest Queens hospital where they are currently running test on his neck and back.
His driver is also currently in the hospital as the SUV almost flipped over.
The truck driver reportedly told police his loaded shifted and lost control of the vehicle.
Source: ThisIs50.com
In my personal analogy, this however may just be a publicity stunt as his fifth studio album "5 (Murder by Numbers)" is set to be released next week. Also notice that his website ThisIs50.com are the ones with the exclusive watermarked photos being the first to break the story. 50 is also known for these sort of antics simply to create a buzz for himself. Just last month he got food poisoning in a very timely manner, just before the release of his "The Lost Tape (with DJ Drama)" mixtape and had to be admitted to hospital, and of course releasing a number of pics of himself in a hospital bed just to get the gossip juices flowing.