The father of a 4-year-old boy who fell from a ninth-floor window in Silver Spring has been charged with child neglect and leaving a child under 8 years old unattended, Montgomery County police said.

The boy remains in serious condition following the Oct. 11 incident at an apartment on the 8800 block of Piney Branch Road, police said. Christopher Keith Harley, 30, of Temple Hills, was arrested Oct. 26 and later released on bond pending a Dec. 6 court date, according to police.