Three people were stabbed Wednesday evening at a McDonald’s in Newark, police said. Officers were called to the McDonald’s at 569 McCarter Highway at 6:40 p.m. and found that two women and one man had been stabbed by another man following an altercation at the fast food restaurant, Newark Public Safety Director Fritz Frage told NJ Advance Media. The three were taken to University Hospital and they were all in stable condition, Frage said. The person who allegedly stabbed them was not in police custody as of 9:10 p.m. No other information was released by police. A spokesperson for McDonald’s co…