FTSE 100 loses ground as exporters slip, Rolls-Royce topples

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* FTSE 100 down 0.3%, FTSE 250 up 0.2%

* Rolls-Royce falls on repair delay

* Dollar earners weigh

Sept 20 (Reuters) - Britain's top share index edged lower on
Friday as exporter stocks weakened on the back of a firmer
sterling, driven by rising hopes of a Brexit deal, and
Rolls-Royce tumbled after longer-than-expected repairs of its
Trent 1000 engines.

The FTSE 100 slipped 0.3% by 0715 GMT, while the
domestically-focussed FTSE 250 index inched 0.2% higher.

Hopes of a Brexit deal after European Commission President
Jean-Claude Juncker said on Thursday that one was possible,
helped the pound extend overnight gains against the dollar to a
two-month high.

Dollar-earners such as Unilever and HSBC
weighed on the main index.

Rolls-Royce lost 3.3% after the engine-maker said it
expects problems with its Trent 1000 engines to take longer to
fix.
(Reporting by Yadarisa Shabong in Bengaluru
Editing by Andrew Heavens)