At least 66 people have died over the past two days after intense rainfall in Nepal caused flooding and landslidesLocal officials said that the heavy rainfall has led to the closure of major roads and disrupted domestic flight services.They added that the death toll is likely to rise and that 69 others are still missing.Most of the deaths occurred in the Kathmandu Valley, an area in the capital with a population of 4 million.Floods have halted traffic and normal activities. Rescue teams used helicopters and rubber boats to save those trapped on rooftops or in high areas.