Asian stock indices closed lower due to tensions over Ukraine. Poland's foreign minister warned that Russia is about to increase its presence along its border with Ukraine. Market participants preferred safe-haven assets.

Japan's leading index climbed to 105.5 in June from 104.8 in May, in line with expectations. May's figure was revised down from 105.7.

The coincident index in June fell to 109.4 in June from 111.2 in May.

Indexes on the close:

Nikkei 225 15,159.79 -160.52 -1.05%

Hang Seng 24,584.13 -64.13 -0.26%

Shanghai Composite 2,217.46 -2.48 -0.11%