Three teenagers in Texas have been arrested after allegedly coordinating an attack to kill their mother for turning off their Wi-Fi. According to Harris County Sheriff Ed Gonzalez, police apprehended three siblings aged 14, 15 and 16, at their home in Houston, after they allegedly chased their mother through the house and into the street with kitchen knives. She was hit with a brick, but not seriously injured. Their grandmother was also pushed over when trying to protect their mother, according to police. (snip) The three teenagers were charged with aggravated assault with a deadly weapon following their arrest.