dozens are m misng following an explosion and an apartmentt building in russia. this blast happened earlier in the morning when many residents were sleep tories believe it was caused by a gas leak. security forces into that have fired at tear gases wewere planning to them mash -- march on the president shall palace. crowds gathered in the capital khartoum, they were confronted by white police who blocked the march. -- riot police who blocked the march. millions of people took part in an event that could seek the first peaceful chancellor and power in decades. questions over the fairness with accusations of mismanagement and irregularities, especially in opposition areas. >> voters in many parts of congo's desk congo came back to study lists of initial results posted outside. divisional nationwide results are not due out for another week. voting there was played by technical problems and allegations of vote rigging. >> i think elections were credible, too many people found their names were not on the electrical -- electoral list. there were told to go to the cente

dory says marketers are misng an opportunity to connect more to older customers wit profit potentialal media experts agree. >> the has more disposable income. they have more time. >> reporter:-ins energizing her second act. >> it's taken your life in new directions. >> absolutely. it's a fun direction and something fun to walook for to. >> reporter: aging with style with eyes set on a fabulous future. catie beck,ws nbc las vegas, nevada. >> there is definitely beauty at any daj. that is "nbc nightly news" on a sunday night. back here tomorrow. i'm kate snow. for all of us here hac ws, have a great night. >> announcer: nbc sports, home of the olympic games, the nhl, the scar playoffs, the indianapolis 500, and primetime's number one show "sunday night football," only on nbc. >> sunday night. everybody's watching. ♪ ♪ i that sweet spot ♪ i'm feeling good ♪ the sun is shining ♪ i knew it would ♪ check it ou ♪ i'm going to light it up