NEW : An ` ` incident '' with a tour dancer influenced management 's decision , source says . NEW : Lovato recently suffered a public end to a short romance with Jonas , one of the three brothers she had been traveling the world with . Sources denies Lovato fought with Ashley Monroe . Jonas Brothers will not replace Monroe on their tour . Lovato checks into an inpatient facility for treatment .
NEW : An ` ` incident '' with a tour dancer influenced management 's decision , source says . NEW : Sources denies Lovato fought with Ashley Monroe . Jonas Brothers will not replace Monroe on their tour . Lovato checks into an inpatient facility for treatment .