(Reuters) -The British franchisee of pizza chain Domino's is expecting more cost inflation this year and has hedged itself against wheat prices which have soared in response to the conflict in Ukraine, it said on Tuesday.

The London Metal Exchange (LME) in an unprecedented move halted nickel trading and cancelled all trades on Tuesday as a race to cover short positions saw prices double in just hours to record highs above $100,000 per tonne.

French carmaker Renault unwrapped its new Austral SUV on Tuesday, marking its latest effort to compete in the compact car segment while moving upmarket with a top-of-the-range "Alpine" marque finish.

A group of the world's top oil companies, including Saudi Aramco , Shell and Exxon Mobil , said on Tuesday that it has committed to cut fugitive emissions of methane, a potent greenhouse gas, to near zero by 2030.

The London Metal Exchange (LME) was forced to halt trading in nickel and said it would cancel trades as prices doubled to more than $100,000 per tonne on Tuesday, a surge sources blamed on short covering by one of the world's top producers.

The London Metal Exchange (LME) cancelled all nickel trades that took place on Tuesday when prices doubled in a matter of hours and spurred the exchange to suspend trading.