A day after robbers gunned down a bank cashier and looted over Rs 3 lakh from a bank in the national capital, the Delhi Police on Saturday arrested two out of the six criminals from Haryana's Sonipat, a senior police officer said.

"The accused have been identified as Sachin, 21, and Parvesh, 19. They were arrested from Haryana's Sonipat, and the police are trying to arrest the other four," Deputy Commissioner of Police Anto Alphonse said.