Alexey Bogdanovsky. Vice-President of the USA Joe Biden and the Prime Minister of Iraq Haider al-Abadi discussed in a UN battle with a terrorist group " Islamic state ", said the White house. "The leaders confirmed the importance of constant coordination in order to defeat ISIS and to help restore long-term stability in Iraq," said the White house. They also discussed cooperation in security, politics and Economics, said in the White house. Biden held at the UN a number of bilateral contacts, for example, he met with President of Ukraine Petro Poroshenko and Prime Minister of Afghanistan Abdullah Abdullah.