Former Milwaukee teacher arrested again

MILWAUKEE (CBS 58) -- A former Milwaukee teacher who pleaded guilty to sending nude photos of himself to a minor is back in police custody. 

Kenneth Chu was arrested Wednesday for charges not yet known. Chu was previously arrested after sending graphic photos and videos to a 16-year-old student. He previously worked at Reagan High School. 

Chu pleaded guilty in that case in March and will be sentenced in June.