For a second day, oil prices are climbing due to supply issues

After Russia, a major energy provider to the area, halted gas delivery through a major pipeline, concerns about a tightening European supply increased, driving up oil prices on Tuesday for a second day.

By 1359 GMT, Brent crude futures had increased by $1.25, or 1.2 per cent, to $106.40 per barrel, adding to the previous day's 1.9 per cent gain.

After rising by 2.1 per cent on Monday, U.S. West Texas Intermediate (WTI) ....