At least 12 persons were injured, including two seriously, when two cranes collapsed at a Delhi Metro Railway Construction site in southern Delhi. The accident occurred on the Connaught Place-Gurgaon railway line.According to DMRC sources, the mishap occurred in the Said-ul-Ajaib area, which is located near the historical Qutub Minar. The injured have been rushed to the All India Institute of Medical Sciences and Safdarjung Hospitals for treatment.