Images from local media showed dozens of farmers - angered by delayed subsidy payments - standing on the apron at Nikos Kazantzakis International Airport in Heraklion.
The prime minister and the Ukrainian president were joined by French leader Emmanuel Macron and German chancellor Friedrich Merz to discuss ways to reach a lasting peace in Ukraine.
She was charged with extorting 300m won (£152,000) from Son in 2024 after sending him an ultrasound of a baby she claimed was his and demanding money to stay silent.
Thailand has launched airstrikes and said it has struck military targets along the border with Cambodia, as both sides accused the other of attacking first.
On Monday Sir Keir Starmer will welcome not only the Ukrainian president, but also E3 allies France and Germany to discuss the state of the war in Ukraine.
More than 300 children and 12 teachers were taken from a Catholic boarding school in Niger state last month, in one of Nigeria's worst mass kidnappings to date.