Delhi Metro's popular Blue Line developed snag once again on Tuesday morning, with services disrupted between Kirti Nagar and Subhash Nagar stations in west Delhi. br br As per reports, an OHE wire snapped on NoidaVaishali to Dwarka line at around 10 am, due to which trains are currently plying in two loops -- from NoidaVaishali to Kirti Nagar and from Subhash Nagar to DwarkaDwarka Sector-21. br br Full services are available on DwarkaDwarka Sector-21 to NoidaVaishali route. br br However, delays have been reported on both routes.br br The Blue Line has suffered technical problems several times in the past three months, causing hardships to commuters.