a russian official did not say whether one of its subs entered the waters. another mud sideline and avalanche hit a popular trekking route and up to 250 people are missing as fox reports this hour. that's according to the officials north of the capital city of katmandu. they say tourists may be among the missing and bad weather is making the rescue effort a lot harder. police in nepal say more than 4,600 people are confirmed dead after the earthquake on saturday. another 8,000 reported hurt and tens of thousands more believed to be homeless. chief correspondent jonathan hunt joins us now. what do we know about the mud slide? >> it happened in an area that is popular with tourists. it's very popular for those who want to go hiking and see some of the peaks without tackling