Ukrainian President Petro Poroshenko met with Polish President Bronislaw Komorowski after arriving in Warsaw on Wednesday, beginning a two-day visit to Poland, dpa reported. Poroshenko is also due to meet with Prime Minister Ewa Kopacz and give a speech to parliament. According to an interview with the Ukrainian leader published in the Gazeta Wyborcza Polish daily, Poroshenko wants Ukraine to learn from Poland's transformation.