A spokesman for the explorer confirmed to Upstream that BP has been reviewing security across the Middle East and north Africa region for the past week in the wake of the deadly hostage crisis.

“We’re reviewing security across the region and any impact that has on our drilling plans,” the spokesman said.

However, he denied any move had been made to scrub the onshore drilling programme at the Ghadames block - near the borders with Tunisia and Algeria - in the second half of 2013, as reports by Dow Jones Newswires earlier suggested.

“No