New Delhi, March 14 (IANS) Four men allegedly involved in a series of murders and robberies were arrested in Delhi, police said Sunday.

The accused - Vikram, Ashok, Lalit and Pramod, who belong to Pradhan gang from Haryana, were arrested from Mahipalpur area of south Delhi Saturday on the basis of a secret information.

'On interrogation, they disclosed about their involvement in several incidents of robbery in Delhi, Haryana and Punjab,' a senior police officer said.

The police has also recovered two pistols from their possession.

'With their arrest, a kidnapping-cum-murder case of Rajkumar has been solved. Further investigation is in progress to find their involvements in in other cases,' the officer added.