Guam - Siblings Lucky Ruta and Matson Ruta are behind bars, accused of assaulting a woman who was seven months pregnant and carrying an infant.

According to court documents Matson became angry with the victim while questioning her whereabouts earlier that day. It's alleged that he and his sister began to punch the victim.  Matson allegedly threw a kitchen knife which struck the victims foot while lucky began to throw rocks as she fled carrying the baby.

The two are charged with family violence and child abuse. Matson faces additional charges of aggravated assault with a special allegation of possession and use of a deadly weapon.