By James Rush PUBLISHED: 11:39 EST, 26 June 2013 | UPDATED: 12:38 EST, 26 June 2013 Carl Mills, who is accused of killing three generations of the same family after setting fire to their home, pictured arriving at Newport Crown Court A jealous boyfriend killed his own baby daughter, her mother and grandmother after torching their home on the day the child was released from hospital, a murder trial has heard today. Carl Mills, 29, is accused of killing three generations of the same family after setting their home ablaze. Kayleigh Buckley, 17, six-month-old daughter Kimberley and grandmother Kim, 46, were all trapped in their home when it was engulfed in flames.
@highlight
Carl Mills is accused of killing three generations of the same family in fire
@highlight
Court heard he set fire to home on day his daughter returned from hospital
@highlight
The 29-year-old denies three charges of murder
He wanted @placeholder to be with him and him alone.
The court heard how he also sent a string of messages taunting @placeholder about the balloons outside the house - which the prosecution claim places him at the scene.