The government has said it is stepping up plans to offset potential food and fuel shortages caused by the Iran war.
Sir Keir Starmer will chair another meeting of a Cabinet committee on Tuesday set up to deal with any shortfalls and a group of ministers is meeting twice a week to monitor stock levels and any disruptions to the supply chain.
The closure of the Strait of Hormuz, a key shipping channel through which 20% of the world's oil and liquid natural gas usually passes, has sent oil prices soaring since the conflict began.
Earlier this month, government officials drew up a worst case scenario of food shortages, including chicken and pork, by the summer if the war continues.
The government has also been seeking to calm the public, urging drivers to keep filling up with petrol and using cars as usual and not to change their travel plans amid fears over potential jet fuel shortages.
