June 13 (Reuters) - The rouble weakened to a near 10-week low against the dollar on Tuesday, as Russian markets reopened after a long weekend, hurt by lower oil prices and under pressure from geopolitical risks and demand for foreign currency.
At 0615 GMT, the rouble was 0.5% weaker against the dollar at 83.07, its weakest since April 7. It had lost 0.9% to trade at 89.74 versus the euro, a more than six-week low, and had shed 0.1% against the yuan to 11.58 .
Brent crude oil, a global benchmark for Russia's main export, was up 0.6% at $72.26 a barrel. Prices for Brent have fallen sharply from near $78 in the last few sessions.
The rouble showed limited reaction to the central bank holding interest rates at 7.5% on Friday, but issuing its strongest signal yet that it may hike interest rates this year, saying that likelihood had grown as inflationary pressures intensify.
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(Reporting by Alexander Marrow; Editing by Andrew Heavens)
