> on the front lines, iraq's oil minister says security forces are pushing back against the militants who attacked the country's largest oil refinery. and isis released a new propaganda video showing off their destruction of ancient city of namu. >> though isis had to retreat from tikrit. militants are not letting up. >> the trip to washington comes as his country endures attacks on multiple fronts. >> reporter: isis is striking back. and hard. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies."> > on the front lines, iraq's oil minister says security forces are pushing back against the militants who attacked the country's largest oil refinery. and isis released a new propaganda video showing off their destruction of ancient city of namu. >> though isis had to retreat from tikrit. militants are not letting up. >> the trip to washington comes as his country endures attacks on multiple fronts. >> reporter: isis is striking back. and hard. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies." property="og:description"> > on the front lines, iraq's oil minister says security forces are pushing back against the militants who attacked the country's largest oil refinery. and isis released a new propaganda video showing off their destruction of ancient city of namu. >> though isis had to retreat from tikrit. militants are not letting up. >> the trip to washington comes as his country endures attacks on multiple fronts. >> reporter: isis is striking back. and hard. Get Live News Updates Every Minute from vimarsana.com Curated from 23000 News Agencies.">