Updated at 1605 GMT

By Purvi Agarwal and Roshan Abraham

July 19 (Reuters) -London stocks finished the week lower amid a global cyber outage on Friday asinvestors assessed a fall in domestic retail sales in June, while commodity-linked stocks dropped, tracking declines in prices ofcopper, gold and other metals.

The blue-chip FTSE 100 index .FTSE was down 0.6%. The mid-cap FTSE 250 .FTMC was off 0.8%. Both indexes snapped two weeks of consecutive gains.

LSEG Group LSEG.L, which runs the London Stock Exchange, said its Workspace news and data platform, regulatory news service and currency spot and forward prices had been affected by the outage caused by a "third-party global technical issue".

By midday in London, most of those issues seemed to have been resolved. Securities trading on the London Stock Exchange was not affected.

Mining stocksweighed heavily on the blue-chip index as prices of precious and base metals fell on weaker China demand and expectations of a U.S. interest rate cut in September.

Precious metal miners .FTNMX551030 fell 0.8 %, with FresnilloFRES.L falling 1.4% in sync with a decline inspot gold prices XAU=.GOL/

Industrial metal miners .FTNMX551020 were down 1.7% after copper prices hit a more thanthree-month low in the absence of Chinese stimulus measures. MET/L

Aerospace and defence stocks .FTNMX502010 were the only outliers with a 0.7% gain amid the broader declines after senior executives from British defence firms, including BAE BAES.L and Babcock BAB.L, met Ukrainian President Volodymyr Zelenskiy to discuss the need to boost military support for his country in its conflict with Russia.

Investors parsed through domestic retail sales data that showed a bigger than expected 1.2% drop in June, following slower wage growth data and inflation at the Bank of England's 2% target.

The retail data pushed upbets of an August cut to 43%, up from roughly 39% on Thursday. 0#BOEWATCH

Personal goods .FTNMX402040 and retail .FTNMX404010 stocks fell 5.3% and 0.3% respectively.

In the week ahead,the focus will shift to corporate earnings in the United States and the UK, with all eyes on U.S. inflation numbers ahead of the Federal Reserve's next monetary policy meeting.

Shares of non-life insurer Beazley PlcBEZG.L also fell3.3% which RBC analysts cited to fears of losses arising from Microsoft cloud outage.

Reporting by Purvi Agarwal and Roshan Abraham in Bengaluru; Editing by Sohini Goswami and Andrew Heavens

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