New Delhi, Mar 23 (PTI) Two staffers of a restaurant died allegedly while cleaning its sewage treatment unit on Saturday, police said.

The incident occurred at the 'Pirates of Grill' restaurant in west Delhi's Rajouri Garden, they said.

Housekeeping employees Rakesh and Ajay died while two of their colleagues -- Pankaj and Raju -- were hospitalised, police said.

"The incident occurred between 1:30 and 2 pm... Prima facie, it seems they went in the sewage treatment unit for cleaning purposes," Monika Bhardwaj, Deputy Commissioner of Police (West) said.

"A case has been registered at Rajouri Garden police station and further information awaited," she added.

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)