Two firefighting helicopters collided on Sunday while battling a major wildfire northwest of Athens that has destroyed more than 100 homes. Two crew members, a Greek and Danish national respectively, were killed aboard one helicopter, while two others on the second helicopter survived. The fires burned around 21 square kilometers over the weekend, with a total of about 1,000 square kilometers affected statewide. Further west, firefighters in Idaho and Oregon continued battling a massive wildfire for a tenth straight day. The blaze has burned nearly 1,360 square kilometers of grassland and continues to threaten hundreds of homes and other structures.