Unilever's plans will be bad news for Wales where 650 jobs across three different plants could be lost or transferred.
But there is better news in Merseyside. 150 new jobs will be created as part of the firm's plans to create its biggest UK factory.
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The prime minister was shouted at as she left the scene of the tragedy in which at least 79 people died.
Father-of-six Makram Ali, 51, was already receiving medical treatment as the attack unfolded. He died from multiple injuries, police say.
A review of how police and security services dealt with the latest terror attacks in the UK is to be launched, Amber Rudd has announced.