Tullow Oil shares suffered a fresh crash — falling by as much as 20% — after it said its latest oil find is smaller than expected.

Petroceltic has received unsolicited expressions of interest in certain assets it holds in Egypt. The Irish exploration firm’s management noted the approaches in its interim results presentation yesterday, but didn’t identify which of the production and/or exploration assets were the subject of the takeover interest. Furthermore, regarding a potential disposal, the company said while it would consider offers, it does not generally see itself as a seller in terms of its Egypt-related portfolio.