* Williamson century key to victory late on final day * Bangladesh captain okay after being struck in head * New Zealand win despite conceding almost 600 in first innings (Adds quotes, details) WELLINGTON, Jan 16 (REUTERS) Kane Williamson seized New Zealand's run chase by the scruff of the neck to lead his side to an improbable seven-wicket victory against Bangladesh on the final day of the first test at the Basin Reserve on Monday.
The New Zealand skipper scored 104 not out, reaching his century from 89 balls, and combined with Ross Taylor (60) in a 163-run partnership as the hosts reached 217 for three with 17.