Tributes have been paid to the two teenagers, with Tonibeth, from Barmston, Washington, being hailed as a hero.
Friends of the pair have been laying flowers on the riverbank and paying their respects.
Amy Bell, 13, said: "I knew Chloe, she was a fantastic girl and she did not deserve this at all."
Joss Richards, 13, who was in the same school class as Tonibeth, said: "I'm really devastated that she has gone."
One card left with flowers said: "RIP Tonibeth you are a hero."
Another left for Chloe said: "Heaven has gained a beautiful angel who will be greatly missed."
More top news
The Boeing 777 was reportedly intercepted by two Hungarian Air Force Gripens after it lost contact with air traffic controllers.
Culture Secretary is mulling over a bar on the broadcaster going head-to-head with commercial rivals as part of the review of its charter.
EastEnders stalwart Dame Barbara, 78, is leaving the soap and her final episodes as Peggy Mitchell will be shown in just over a week.