Oil prices fell on Friday, with US crude heading for a seventh weekly decline amid increasing concerns about slowing global economic growth that could hit demand for petroleum products.
Brent crude oil futures were down 5 cents at $71.38 a barrel by 0050 GMT. US West Texas Intermediate (WTI) crude futures dropped 4 cents to $65.
42 a barrel.
Brent is heading for a 2 per cent decline this week, a third consecutive weekly drop. WTI is on track for the seventh week of losses, with a fall of more than 3 per cent.
Data on Wednesday.