Azerbaijan's President Ilham Aliyev (left) and his Ukrainian counterpart Petro Poroshenko (second right) at the nuclear security summit in Washington.01.04.2016#2817741
Lithuanian President Dalia Grybauskaite and Ukrainian President Petro Poroshenko attending the nuclear security summit in Washington.01.04.2016#2817740
Ukrainian President Petro Poroshenko (right) at the nuclear security summit in Washington.01.04.2016#2817739
Ukrainian President Petro Poroshenko, his French counterpart Francois Hollande and South Korean President Park Geun-hye at the nuclear security summit in Washington.01.04.2016#2817738
Japanese Prime Minister Shinzō Abe and US President Barack Obama (from right to left) at the nuclear security summit in Washington.01.04.2016#2817736
From left: Ukrainian President Petro Poroshenko, US Vice President Joseph Biden and Secretary of State John Kerry are seen here during their meeting in Washington, D.C.31.03.2016#2817148
Ukrainian President Petro Poroshenko (left) meets with US Vice President Joseph Biden in Washington, D.C.31.03.2016#2817147
Ukrainian President Petro Poroshenko (right) meets with US Vice President Joseph Biden in Washington, D.C.31.03.2016#2817146
Ukrainian President Petro Poroshenko speaks at the forum "Ukraine’s Ongoing Battle for Freedom" in Washington D.C.31.03.2016#2816777
Ukrainian President Petro Poroshenko speaks at the forum "Ukraine’s Ongoing Battle for Freedom" in Washington D.C.31.03.2016#2816776
Ukrainian President Petro Poroshenko speaks at the forum "Ukraine’s Ongoing Battle for Freedom" in Washington D.C.31.03.2016#2816774
Ukrainian President Petro Poroshenko speaks at the forum "Ukraine’s Ongoing Battle for Freedom" in Washington D.C.31.03.2016#2816773
Ukrainian President Petro Poroshenko speaks at the forum "Ukraine’s Ongoing Battle for Freedom" in Washington D.C.31.03.2016#2816769
