Sri Lanka's Suranga Lakmal vomits during the fourth day of their third test cricket match against India in New Delhi. Altaf Qadri / AP Photo
Sri Lanka's Suranga Lakmal, centre, vomits as his teammates stand next to him during the fourth day of their third test cricket match against India in New Delhi. Altaf Qadri / AP Photo
Floodlights are on as the fog envelops Ferozshah Kotla ground during the fourth day of third test cricket match between India and Sri Lanka in New Delhi, India, on Tuesday, December 5, 2017. Altaf Qadri / AP Photo
Sri Lankan players get together as they wait for third umpire decision for the wicket of India's Ajinkya Rahane during the fourth day of their third test cricket match in New Delhi, India. Altaf Qadri / AP Photo
Traffic stands at a junction on King's Way boulevard while shrouded in smog at night in New Delhi, India. Anindito Mukherjee / Bloomberg
Workers install a closed circuit television camera (CCTV) on King's Way boulevard as the Presidential Residence stands in the distance while shrouded in smog in New Delhi, India. Anindito Mukherje / Bloomberg
Commuters walk along King's Way boulevard while shrouded in smog in New Delhi, India. Anindito Mukherjee / Bloomberg
Sri Lanka's captain Dinesh Chandimal, wearing anti-pollution mask, gestures to his teammates during the fourth day of their third test cricket match against India in New Delhi. Altaf Qadri / AP Photo
Sri Lanka's captain Dinesh Chandimal adjusts his anti-pollution mask during the fourth day of their third test cricket match against India in New Delhi, India. Altaf Qadri / AP Photo
Sri Lanka's Suranga Lakmal vomits during the fourth day of their third test cricket match against India in New Delhi. Altaf Qadri / AP Photo
Sri Lanka's Suranga Lakmal, centre, vomits as his teammates stand next to him during the fourth day of their third test cricket match against India in New Delhi. Altaf Qadri / AP Photo
Floodlights are on as the fog envelops Ferozshah Kotla ground during the fourth day of third test cricket match between India and Sri Lanka in New Delhi, India, on Tuesday, December 5, 2017. Altaf Qadri / AP Photo
Sri Lankan players get together as they wait for third umpire decision for the wicket of India's Ajinkya Rahane during the fourth day of their third test cricket match in New Delhi, India. Altaf Qadri / AP Photo
Traffic stands at a junction on King's Way boulevard while shrouded in smog at night in New Delhi, India. Anindito Mukherjee / Bloomberg
Workers install a closed circuit television camera (CCTV) on King's Way boulevard as the Presidential Residence stands in the distance while shrouded in smog in New Delhi, India. Anindito Mukherje / Bloomberg
Commuters walk along King's Way boulevard while shrouded in smog in New Delhi, India. Anindito Mukherjee / Bloomberg
Sri Lanka's captain Dinesh Chandimal, wearing anti-pollution mask, gestures to his teammates during the fourth day of their third test cricket match against India in New Delhi. Altaf Qadri / AP Photo
Sri Lanka's captain Dinesh Chandimal adjusts his anti-pollution mask during the fourth day of their third test cricket match against India in New Delhi, India. Altaf Qadri / AP Photo
Sri Lanka's Suranga Lakmal vomits during the fourth day of their third test cricket match against India in New Delhi. Altaf Qadri / AP Photo