Atleast five people are feared to have been killed and more than twelve injured on Saturday when a bomb exploded in a crowded market in Mehrauli area of south Delhi.The blast took place a fortnight after serial blasts rocked the national capital killing 24 and injuring 100. The blast took place in a flower market in Mehrauli around 2.15 pm, creating panic in the area. The injured have been rushed to AIIMS in critical condition.