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FTSE 100 down 0.6%, FTSE 250 off 0.1%
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Sainsbury falls after maintaining annual financial guidance
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Energy shares gain on higher oil prices
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British election in focus
July 2 (Reuters) - London's benchmark stock index closed at more than a two-month low on Tuesday as investors were cautious ahead of parliamentary elections, although an uptick in oil prices helped offset the declines.
The blue-chip FTSE 100 fell 0.6% at 8,121.2, while the mid-cap FTSE 250 was off 0.1%. The pound gained 0.2% against the dollar and was last at $1.2676.
Markets were clouded with caution as polls suggested the Conservatives looked set to be replaced after 14 years in voting on July 4.
"Financial markets don't like uncertainty... there is still an uncertainty as to Labour getting an absolute majority or not and therefore, investors have just taken money off the table," said Axel Rudolph, senior market analyst at IG Group.
Among sectors, nonlife insurers fell the most, dropping 2.5%, as Hurricane Beryl intensifies.
Insurer Beazley was the biggest casualty on the FTSE 100, losing 5.2%, and leading declines for the nonlife insurers.
Oil giant BP gained 1.3% after oil prices held near two-month highs on expectations of rising fuel demand for the summer travel season and possible U.S. interest rate cuts.
GSK slipped 1.5% after a Delaware judge rebuffed a request by the drugmaker and others to appeal a ruling allowing over 70,000 lawsuits to go forward claiming the heartburn drug Zantac caused cancer.
Sainsbury's, Britain's second largest supermarket group, fell 2.9% after it kept its annual financial guidance as it reported a 3% rise in first-quarter underlying sales.
Across the Atlantic, Federal Reserve Chair Jerome Powell said the U.S. central bank still needs more data before cutting interest rates to ensure that recent weaker inflation readings give a true picture.
U.S. job openings
increased in May after posting outsized declines in the prior two months, data showed.
