In a joint operation, Kerala and Delhi police on Wednesday arrested three persons involved in a robbery in Kerala last month, in New Delhi. A major portion of jewellery were recovered from them.

Delhi police arrested the gang leader Arshad from his house at Dilshad Garden. Based on his confession, police arrested his accomplices, Sheshad and Ronny.

They would be brought to the city on Sunday.A four-member armed gang attacked one E.K. Ismael and his wife at their house in Pulleppady in the wee hours on December 15.

The next day an eight-member gang broke into the house of Nannappilli Anandakumar at Eroor and decamped with 50 sovereigns jewellery, cash and electronic gadgets after assaulting the inmates.