Ray J and Princess Love received right into a heated combat … and we’re instructed issues had been so dangerous, police received concerned and detained Ray behind a squad automotive.

Regulation enforcement sources inform TMZ … Ray J got here dwelling from a tour Thursday afternoon and he and Princess Love began preventing about their pending divorce.

We’re instructed Princess referred to as LAPD, claiming Ray J was being aggressive, yelling, and presumably below the affect.

Our sources say when cops arrived on the home, they detained Ray and slapped on a pair of handcuffs … preserving him behind a black-and-white to de-escalate and determine what the heck occurred between them.

After talking to each events, we’re instructed police decided no crime had been dedicated. Ray J was taken out of cuffs, launched, and went on his method.

A few of Ray’s interplay with police was recorded on video and posted on-line … and you may hear him thank the officers for the best way they dealt with the state of affairs.

Finally, we’re instructed police took a domestic-violence incident report … however once more, cops decided there was no crime right here, and Ray J was by no means positioned below arrest.