Wellington, Dec. 11 -- New Zealand's Devon Conway and Mitchell Hay powered their team to a commanding position on the second day of the Wellington Test against West Indies, with both batsmen scoring half-centuries. Despite a spirited bowling effort from the West Indies seamers, Conway and Hay's partnership extended New Zealand's advantage, setting them up for a 73-run first-innings lead.

Their efforts allowed New Zealand to declare at 278 for 9, with the injured Blair Tickner not batting. Tickner went down clutching at his shoulder when diving for a ball in the outfield and was taken to the hospital for observations after being stretchered from the field on Day 1.

Conway's 60 - his first fifty against West Indies and 13th overall - anch...