Ukrainian President Volodymyr Zelenskyy is seeking support in London as Ukraine faces growing uncertainty over its relationship with the United States.

President Donald Trump has increased pressure on Zelenskyy while Washington's decision to ease restrictions on Russian diesel exports has raised questions about US policy towards Moscow.

Meanwhile, restrictions on Elon Musk's Starlink satellite internet service are disrupting Ukrainian military drone operations.

DW speaks to Emil Archambault, senior policy fellow at the German Council on Foreign Relations (DGAP), about the military consequences of a potential reduction in US support and whether Europe can fill the gap.