Hungarian Prime Minister Viktor Orbán has decided to write a letter to US President Donald Trump regarding Ukraine’s attack on the Druzhba pipeline, through which Russia supplies oil to Hungary and Slovakia.

The foreign ministers of Slovakia and Hungary have issued a complaint to the European Commission in connection with attacks on the Druzhba oil pipeline which have halted supplies of Russian oil to both countries. They are complaining that the pipeline’s infrastructure has now been disrupted for the third time in nine days.

Italian police have arrested a Ukrainian national suspected of involvement in the Nord Stream gas pipeline explosion.

A total of 53% of Ukrainians predict that in 10 years, Ukraine will become a prosperous member of the European Union.

Polish prosecutors’ early reports indicate that the drone which crashed overnight into a cornfield in Lublin Voivodeship was a military UAV.

Austrian Foreign Minister Beate Meinl-Reisinger has arrived in Odesa.

Tony Radakin, Chief of the UK Defence Staff, will tell his American counterparts that the UK is ready to send troops to defend Ukraine’s airspace and waters, but not to the line of contact with Russia.

Ukraine’s Defence Ministry has received another €10 million shipment of equipment from the IT Coalition – allies supporting Ukraine in the IT sector – in July and August. The supplies were funded by Luxembourg, Ireland, Belgium and Estonia.

Switzerland is "more than ready" to host a summit between Russia and Ukraine, Swiss Foreign Minister Ignazio Cassis has said.

French President Emmanuel Macron has described Russia as a "predator, an ogre at our gates" that "needs to keep eating" to stay alive.

US and European officials are to begin working immediately on providing reliable security guarantees for Ukraine to pave the way for a landmark meeting between Ukrainian President Volodymyr Zelenskyy and Russian leader Vladimir Putin.

French President Emmanuel Macron has said that talks between Volodymyr Zelenskyy and Kremlin leader Vladimir Putin should take place in Europe, in particular in Geneva.

The White House has asked Ukrainian officials whether President Volodymyr Zelenskyy would wear a suit to his meeting with US President Donald Trump in the Oval Office on 18 August.

Polish Foreign Minister Radosław Sikorski stressed during a Coalition of the Willing videoconference on 17 August that pressure must be directed at the aggressor, not the victim of aggression.

US President Donald Trump is preparing to roll out the red carpet for Russian leader Vladimir Putin's arrival at Joint Base Elmendorf-Richardson in Alaska on 15 August.