India, May 22 -- Oil extended losses for a third straight session on Thursday as a surprise inventory build rekindled worries about an oversupplied market and investors eyed renewed Iran-U.S. nuclear talks.

Benchmark Brent crude futures fell 1.1 percent to $64.17 a barrel in European trade while WTI crude futures were down 0.9 percent at $60.99.

Unexpected increases in U.S. crude and fuel inventories raised concerns about demand from the world's largest oil consumer.

The Energy Information Administration (EIA) reported that crude oil inventories in the U.S. unexpectedly increased in the week ended May 16th.

The EIA said crude oil inventories rose by 1.3 million barrels last week after jumping by 3.5 million barrels in the previous week....