* Fresh trade-war worries hurt ASX stocks, falls for third session
* Miners lead the decline
* Financials and consumer non-cyclicals hurt NZ
(Updates to close)
Dec 6 (Reuters) - Australian shares fell to an over two-week low on Thursday after Canadian authorities arrested a senior executive of Chinese tech giant Huawei for extradition to the United States, sparking fears of a fresh clash between Washington and Beijing.
The arrest put another layer of cloud over Sino-U.S. trade talks, souring risk sentiment that has already been battered by a flattening of U.S. Treasury yields and slackening global economic growth. MKTS/GLOB
The S&P/ASX 200 index .AXJO extended losses to a third straight session as it dropped 0.2 percent or 10.70 points to 5,657.7 at the close of trade. The benchmark fell 0.8 percent on Tuesday.
Most sectors ended the day lower, with the metals and mining index .AXMM slumping 1.2 percent, hurt by weaker metal prices. IRONORE/
BHP Group Ltd BHP.AX , the biggest firm by market value, and Rio Tinto (LON:RIO) RIO.AX tumbled 1.4 and 2 percent, respectively.
Financial stocks .AXFJ lost 0.6 percent in the session.
Top lender Commonwealth Bank of Australia CBA.AX fell 0.5 percent, while National Australia Bank Ltd NAB.AX slid about 1 percent to its lowest in more than two-weeks.
Meanwhile, New Zealand's benchmark S&P/NZX 50 index .NZ50 dipped 0.3 percent or 23.31 points lower to finish the session at 8,758.220.
Financials and consumer non-cyclicals dragged the index, with NZ listed shares of Australia and New Zealand Bank ANZ.NZ easing 1.5 percent and heavyweight A2 Milk ATM.NZ losing 2.7 percent.