Model Janice Dickinson has told a US jury that Bill Cosby raped her in 1982 after giving her a pill he claimed would ease her menstrual cramps but instead left her immobilised.

Efforts to tame a raging wildfire that has destroyed 200 homes near the Californian resort of Lake Tahoe suffered a setback when a backfire set to control the blaze jumped a fireline, forcing a new round of evacuations.