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April 22 (Reuters) - London's benchmark index FTSE 100

was subdued on Wednesday as investors monitored the fragile

truce in the Middle East and assessedBritain's March inflation

data.

The blue-chip FTSE 100 index edged down 0.03% to

10,495.22 points by 1048 GMT, while the midcap FTSE 250

edged up 0.2%.

Lingering doubts over peace in the Middle East weighed on

sentiment, despite U.S. President Donald Trump extending the

ceasefire with Iran, with uncertainty persisting over whether

Iran or Israel would uphold the deal.

* Oil prices jumped on Wednesday, with Brent crude

rising above $100 a barrel, following reports that at least

three container ships were hit by gunfire in the Strait of

Hormuz.

* The rise in crude prices weighed on airline stocks

with British Airways owner IAG down 2.1%, EasyJet ( EJTTF )

dipping 1.6% and Wizz Air ( WZZAF ) losing 1.3%,

respectively.

* Oil majors BP and Shell rose 1.9% and

0.8%, respectively.

* Miners Fresnillo, Rio Tinto, Glencore ( GLCNF )

and Anglo American gained more than 1%, tracking a rise

in prices of precious and base metals.

* Official data showed British consumer price inflation rose

to 3.3% in March from 3% in February, underscoring the Iran

war's impact on price levels.

* "The CPI figures confirm that the supply chain and energy

pressures are beginning to bite and the Bank of England's room

for manoeuvre is narrowing fast," said Nick Saunders, CEO of

Webull UK in a note.

* Reckitt, which makes Dettol soap and Durex

condoms, missed quarterly like-for-like revenue estimates,

pushing shares down 6.2%.

* Business supplies distributor Bunzl ( BZLFF ) gained 3%

after posting a rise in first-quarter revenue.

* Stocks of wealth-managing firms gained after Quilter

reported record first-quarter inflows: Quilter rose

4.9%, Liontrust Asset Management was up 0.7%, and

Aberdeen advanced 0.4%.