Elderly Venezuelans frustrated with medical shortages and the flight of grandchildren from their troubled South American country joined anti-government street protests demanding elections on Friday. Lines of police officers blocked thousands of protesters from advancing in the capital city of Caracas. The protest organized by the country's opposition coalition was billed as the "March of the Grandparents" and comes on the heels of six weeks of demonstrations against the embattled government of President Nicolas Maduro.<br /><br />RT LIVE http://rt.com/on-air<br /><br />Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday<br /><br />Like us on Facebook http://www.facebook.com/RTnews<br />Follow us on Twitter http://twitter.com/RT_com<br />Follow us on Instagram http://instagram.com/rt<br />Follow us on Google+ http://plus.google.com/+RT<br />Listen to us on Soundcloud: https://soundcloud.com/rttv<br /><br />RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.