International oil prices rose on Monday, as fears of tighter global supplies as the crisis in Ukraine deepened, raising the prospect of tougher Western sanctions against Russia.

Brent crude futures increased by two dollars to $113.70 a barrel, while US crude futures rose more than a dollar to $108 a barrel.

Oil prices fell last Thursday, in limited trading ahead of an official holiday, as traders study the impact of a larger-than-expected rise in US oil stocks in the face of global supply shortages. /p>

Brent crude futures fell $1.14, or 1.1%, to $107.64 a barrel, while the price of West Texas Intermediate crude futures fell $1.32, or 1.3%, to 102.93 dollars per barrel.

The two benchmarks ignored the rise in US stocks yesterday, to close up by about 4 dollars.