The families of teenagers Bianca Jones and Holly Bowles have been "blown away" by the support of the public after their fundraising goal was surpassed overnight.

Laos police have detained eight staff and managers of the hostel where Australians Bianca Jones and Holly Bowles were staying when they fell ill. A third Australian is also recovering from suspected poisoning.

Laos police have arrested the owner, manager and six staff members of the Laotian hostel at the centre of a spate of fatal ­methanol poisonings as the ­grieving parents of Bianca Jones and Holly Bowles brought their daughters’ bodies back to ­Australia.