Visiting UN Secretary-General Ban Ki-moon (L) holds a joint news conference with Finnish President Tarja Halonen in Helsinki, capital of Finland, May 26, 2009. Ban Ki-moon arrived in Helsinki on Monday for a three-day official visit to Finland at the invitation of Tarja Halonen. (Xinhua/Zhao Changchun) Photo Gallery>>>

    HELSINKI, May 25 (Xinhua) -- UN Secretary-General Ban Ki-moon arrived in Helsinki on Monday for a three-day official visit to Finland at the invitation of Finnish President Tarja Halonen.

    As soon as he arrived in Helsinki Airport, Ban said to the media that North Korea's nuclear test Monday was definitely against all international treaties. He is following closely the UN Security Council's ongoing emergency meeting.

    This is Ban's first visit to Finland as UN secretary-general. Ban will hold talks with Finnish President Halonen on Tuesday. The discussion agenda will be topped by issues such as climate change, the international financial and economic crisis, the UN's crisis management and peacekeeping operations and regional issues such as Afghanistan and the Middle East, according to Finnish President's office.

    Ban will also deliver an address to Finnish Parliament and meet with Finnish political figures, including Speaker of Parliament Sauli Niinist, Prime Minister Matti Vanhanen, former President Martti Ahtisaari and Foreign Trade and Development Minister Paavo Vyrynen.

    His agenda also includes a meeting with representatives of non-governmental organizations and a visit to the World Institute for Development Economics Research of the UN University in Helsinki.