April 17 (Reuters) - UK's main stock indexes posted

weekly gains on Friday, as equities rallied after Iran's foreign

minister announced that the Strait of Hormuz is open for the

remaining period of ceasefire.

U.S. President Donald Trump said he believed a deal to end

the Iran war would come "soon". Oil prices plunged below $90 a

barrel following the announcement, lifting stocks and government

bonds higher.

The blue-chip FTSE 100 index closed 0.7% higher at

10,667.63 points, clocking gains for a fourth straight week. The

midcap FTSE 250 climbed 1.9%, extending its winning run

for three weeks.

* Travel & leisure stocks advanced as crude prices dropped;

Wizz Air ( WZZAF ), Carnival gained above 7% and easyJet

rose 6%.

* Top gainers: Fresnillo climbed 6.4%, while

British Airways owner IAG added 6.2%.

* Oil giant BP fell 7.4% and Shell dropped

5.6%, among top losers.

* Precious metal miners rose 5% tracking

bullion prices.

* Bank of England Chief Economist Huw Pill said on Friday

that the central bank's main focus should be getting inflation

to its 2% target.

* Heavyweight banks advanced 2.3%; Barclays ( BCS )

climbed 3.5% , Standard Chartered ( SCBFF ) rose 2.9%

and HSBC ( HSBC ) added 2%.

* The Financial Times reported on Thursday that Finance

Minister Rachel Reeves vowed to cut the link between gas and

electricity prices, sending the utilities sector

down.

* National Grid dropped 1%, Severn Trent fell

marginally by 0.6%; SSE and Centrica ( CPYYF ) dipped 6.6%

and 5%, respectively.

* Defence stocks: BAE Systems rose 1.8% and

Rolls-Royce gained 4.8%.

* Workspace Group ( WKPPF ) fell 6.2% as the office-space

provider said it expects a substantial step down in annual

profit.