The UK Chancellor Nadhim Zahawi has arrived in the United States for talks on how to tackle the spiralling cost of living.
During what could be his final week in the job, Mr Zahawi is meeting US banks and officials to seek "international solutions" to soaring costs.
Labour has criticised the trip, saying he should be focusing on the UK.
The two candidates for prime minister have signalled they will offer more help if elected on 5 September.
The government has been accused of not doing enough to help people cope with the crisis, amid warnings that people are facing a dire winter with rocketing energy bills. Many people are having to make tough choices such as skipping meals, while others are dreading the colder months.
Both Liz Truss and Rishi Sunak, one of whom will be announced as the next prime minister, have pledged further support, though neither has given details.
James Murray, Labour's shadow financial secretary to the Treasury, accused Mr Zahawi of being part of a "do-nothing Tory government" - adding that the chancellor was "jetting off to an international chinwag".
"Rather than going on another junket at the taxpayers' expense, the chancellor should start listening to people here at home and implementing Labour's fully funded plan to freeze energy bills," he said.
Trade union leader Frances O'Grady expressed surprised that Mr Zahawi had travelled to the US. She told the Today programme that trade unions had asked to meet him, adding: "I would've thought it was a priority to meet representatives of working people... who are just looking to keep their wages at least up with inflation."
Mr Zahawi has insisted he has been working tirelessly to come up with proposals for either leadership candidate to bring in more cost-of-living support.
The chancellor - who could be replaced when the new Tory leader comes to power - is meeting banking chiefs in New York to discuss co-operating on financial services, before heading to Washington DC to discuss support for Ukraine, the global economic outlook and energy security at the US central bank.
In a video released on Twitter, Mr Zahawi said he would be talking about "Putin's use of energy as a tool, a weapon to get back at us for the help we are putting in Ukraine and how we can coordinate further to deal with the challenge of remaining resilient in the face of that particular challenge".
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