New Delhi, Dec. 19 -- Devon Conway scored his second test double century more than four years after his first to speed New Zealand to a declaration at 575-8 Friday on the second day of the third test against the West Indies.

Undeterred by the New Zealand total and the need to bat in gloomy conditions late in the day, West Indies openers John Campbell and Brandon King rushed to 110 without loss in 23 overs before stumps.

New Zealand leads the three-match series 1-0 after the first test was drawn and the Black Caps won the second by nine wickets.

King reached a half century from 63 balls and was 55 not out at the close and Campbell was 45 not out after a century opening partnership from only 116 balls.

After reaching 200, Conway went on...