New Delhi - At least 15 people were injured in an explosion in a market in Indian capital New Delhi on Saturday, media reports said.

The explosion occurred in a shop in the flower market in the southern Mehrauli area at 2.15 pm (8.45 am GMT), NDTV network reported.

Witnesses told the news channel that it was a "big" bomb-blast and the explosive was planted by two men on a motorcycle.

But the police did not confirm whether it was a terrorist attack and were investigating the nature of the explosion.

Firemen, ambulances and police teams rushed to the scene.

The blast comes exactly two weeks after the city was rocked by a series of five blasts in markets that killed 24 people and injured at least 100. (dpa)