According to Ukrinform, he wrote this on his Twitter account.
As part of this aid package, Kyiv will receive long-range artillery, shore-to-ship missiles and drones.
Johnson noted that he had a wide-ranging discussion with Ukrainian President Volodymyr Zelensky, during which both parties discussed how to stem the global economic damage caused by "Putin's reckless blockade of Black Sea ports."
"We're looking urgently at options to open up critical sea and land supply routes for Ukrainian grain stocks," Johnson wrote.
He also noted that 50,000 Ukrainians have now safely arrived in the UK "and we're doing everything possible to help them build lives here."
"With over 100,000 visas issued through our schemes and fresh sanctions imposed on Russian airlines today, our resolve is unflinching – we stand with Ukraine," he said.
On May 18, the UK Foreign, Commonwealth and Development Office provided GBP 5 million in aid to the Ukrainian Armed Forces.
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