A 53-year-old man has been arrested in connection with the death of his girlfriend. 

Sources say 46-year-old Milagros Rolon was found under a blanket with her wrists tied with a rope just after 8 A.M. Saturday in an apartment on Tinton Avenue in the Bronx. 

Her boyfriend, Roger Roberts was later arrested and charged with murder and manslaughter.

The medical examiner has yet to determine the cause of death.