Aug 10 (Reuters) - Britain's FTSE 100 index is seen opening higher on Thursday, with futures up 0.63%.

* ENTAIN: British gambling firm Entain said on Thursday it had taken a 585 million pound ($744.41 million)provision for a potential settlement in an investigation by British tax authorities.

* DELIVEROO: British meal delivery company Deliveroo upgraded its full-year earnings outlook after a resilient first half in challenging market conditions that saw its total orders number fall 6%.

* ANTOFAGASTA: Mining company Antofagasta raised shareholder returns after posting a 7.5% rise in half-year profit as higher copper sales more than offset lower prices for the metal used in electrification.

* PETROFAC: UK oilfield services provider Petrofac posted a half-year loss, hurt by subdued activity at its largest unit - engineering & construction.

* NETWORK INTERNATIONAL: Payments firm Network International Holdings posted higher half-year revenue and profit on Thursday, buoyed by steady merchant wins and growth in its outsourced payments services business.

* PERSIMMON: Persimmon said it expects annual profit to be in line with its expectations after posting a 65% slump in the half year period as the housing sector grappled with subdued demand in the wake of rising mortgage rates.

* HOUSE PRICES: British house prices saw most widespread falls since 2009 last month as interest rates hit a 15-year high, while rents surged by the most since 1999 as more landlords sold up, a survey showed on Thursday.

* For more on the factors affecting European stocks, please click on:

TODAY'S UK PAPERS

> Financial Times

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($1 = 0.7859 pounds) (Reporting by Zainab Saifee in Bengaluru;)