Gabrielle Price was a pupil at Davison High School in Worthing
The family of a 14-year-old girl who died after becoming ill at a house party in Brighton have said "a shining light has been extinguished".
Gabrielle Price suffered a cardiac arrest at the party in Birdham Road, Moulsecoomb, on Saturday and died five hours later in hospital.
"She was a fantastic daughter and granddaughter," said her grandfather Adrian Price.
Two people have been arrested and bailed on suspicion of supplying drugs.
A post-mortem examination carried out on Gabrielle's body was inconclusive and further tests are being carried out.
Miss Price, a pupil at Davison High School in Worthing, West Sussex lived in Coleridge Crescent.
In a statement on behalf of her parents, Angie and Chris, Mr Price said Gabi, as she was known, was a lively and lovely girl.
"Her untimely death has left an enormous hole in the lives of her family and wide circle of friends," he said.
"She was a fun-loving person and the many tributes that have been paid to her reflect what a wonderful young woman she was."
A 39-year-old woman from Brighton, arrested on suspicion of the supply of illegal drugs, was released on bail until 14 January.
A 17-year-old boy from Hove, arrested on suspicion of the supply of a class B drug, was bailed until 26 January.