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* Antofagasta ( ANFGF ) shares drop 5% after company cuts 2026 copper

output forecast

* FTSE 100 falls 0.2% to 10,806.89 points, lowest since July

28

* Britain's economy grows 0.3% in June after being flat in

May, data shows

Aug 13 (Reuters) - London's FTSE 100 fell to a more than

two-week low on Thursday after Antofagasta's ( ANFGF ) downbeat copper

production forecast sparked losses in the mining sector and

offset any relief from stronger-than-expected economic growth in

June.

The blue-chip FTSE 100 index fell 0.2% to 10,806.89

points by 1008 GMT - dropping for a fourth consecutive day and

touching its lowest since July 28. The mid-cap FTSE 250

climbed 0.2% to 24,870.08 points.

* Britain's economy unexpectedly grew in June as companies

enjoyed a respite from the energy price surge caused by the Iran

war, the start of the men's soccer World Cup and hot weather,

official data showed.

* Gross domestic product rose by 0.3% in June, putting

Britain on course for the strongest growth among the Group of

Seven rich economies in the first half of 2026, after being flat

in May. The pound, though, was largely unchanged

against the dollar as the data did little to change near-term

interest rate expectations.

* "This is not a boom though, and quarterly growth has

slowed from 0.6%, but Britain is proving significantly harder to

knock off course than many feared," said Sam North, market

analyst for eToro.

* Antofagasta ( ANFGF ) shares fell 5% after the company cut

its 2026 copper output due to a shutdown at its Los Pelambres

mine in July. Shares of other miners Rio Tinto and Anglo

American dropped 4.5% and 3.2%, respectively.

* The FTSE 350 indexes of industrial metal miners

and precious metal miners fell

more than 3% each as metal prices lost steam against a firmer

dollar.

* A tame U.S. inflation reading on Wednesday dented

expectations of an interest rate hike from the Federal Reserve

next month. Yet, a lack of progress to permanently end the

Middle East conflict kept oil prices supported and raised

concerns about energy-driven inflationary pressures.

* Among mid-cap stocks, Costain gained 4.6% after

the infrastructure solutions firm issued upbeat half-yearly

results.

* British property firm Savills ( SVLPF ) surged 8.7% as it

posted a 47% rise in half-year underlying profit, strengthened

by an improvement in its North American and transactional

businesses.