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This is the World In Brief from The Economist.

Our top stories. Donald Trump said he would double tariffs on aluminium and steel imports to 50%.

The president said the new rates could come into effect on Wednesday

and would further secure America's steel industry.

Despite Mr. Trump's claims, the tariffs are unlikely to help raise domestic production of the metals and will probably be painful for many American companies.

Hamar said it was seeking amendments to America's proposal for a Gaza ceasefire.

Steve Whitkoff, Mr. Trump's envoy, called the militant group's response totally unacceptable.

Under the deal,

several Palestinian prisoners would be swapped for 10 Israeli captives and the return of 18 bodies,

but Amar says it also wants Israel to withdraw from Gaza and a permanent end to the war.

Eight members of the OPEC plus oil cartel said they would sharply increase production.

...