A 12-year-old girl who was shot in the head in an incident at her house in Manchester has died in hospital.Police were called to reports of the shooting at an address on Wembley Road, Gorton, at about 1930 BST on Monday.She was rushed by ambulance to Manchester Royal Infirmary but died on Tuesday morning, police said.Her 16-year-old brother, who was arrested on Monday evening, is still being questioned on suspicion of attempted murder.The girl had been transferred to Manchester Children's Hospital for treatment for the gunshot wound but died just before 0900 BST, Greater Manchester Police (GMP) said.A GMP spokeswoman said officers were still investigating the circumstances surrounding the incident, described as a "tragic event".