Probe into rare cougar attack in US that left one dead

Wildlife officials in the US state of Washington on Monday were probing what prompted a cougar to attack two cyclists over the weekend, leaving one dead and the other seriously injured.The incident on Saturday marked the first such deadly cougar attack in the western state in nearly 100 years.Authorities said the animal that pounced on the two mountain bikers after stalking them was a three-year-old male cougar that looked "emaciated," weighing in at about 100 pounds (45 kilos) when normally it