A family reeling from shock after a young man killed his own father is calling for improved mental health services. Garvey Gayle, who was diagnosed with paranoid schizophrenia, had been released from a psychiatric unit against his parents' wishes. He attacked his father Michael with a kitchen knife in the family home in Cardiff. His mother Amanda Brookes, who survived the attack, spoke - for the first time in public - to our Wales Correspondent Rhys Williams. • Subscribe to ITV News on YouTube: http://bit.ly/2lOHmNj • Get breaking news and more stories at http://www.itv.com/news Follow ITV News on Facebook: / itvnews Follow ITV News on Twitter: / itvnews Follow ITV News on Instagram: / itvnews