St. Louis, MO  (KTRS)  There’s new information about the disappearance of a 10-year-old north St. Louis boy.

Authorities say Tyron Pembrook-Gagood’s 16-year-old sister came from Colorado to live with her brother and father. Tyron disappeared with his sister over the weekend after she allegedly shot the father in the head.

Tyron and his sister were late Thursday night near Goodfellow and Natural Bridge. The father remains in critical condition.