Main news of January 31

A round up of what happened in the past 24 hours

* Moscow police detained some 100 people, including several prominent opposition leaders, after an unsanctioned rally in downtown of the Russian capital

* UN Secretary General Ban Ki-moon arrived on his first official visit to Cyprus on Sunday to help the divided island in reunification talks

* The United States insisted Saturday that its decision to sell arms to Taiwan is right despite severe criticism from China

* The court of Kinshasa in the Congo has acquitted seven Ukrainians and one Russian detained as part of an investigation into a murder

* Some 10,000 residents of Russia's Baltic exclave of Kaliningrad took part in a protest rally in downtown Kaliningrad

* The speaker of the legislature in the southern Russian city of Krasnodar died in a car accident

* Over 200 children, most of them younger than three years, have been hospitalized with acute intestinal infection in the Magadan Region in the Russian Far East

*The death toll in heavy flooding in southern Peru where thousands of tourists visiting the Inca city of Machu Micchu were trapped has risen to 20, the BBC reported

* Pakistani Taliban leader Hakimullah Mehsud has been killed in a U.S. drone missile strike, Pakistan state television reported

* Haitian police have arrested 10 U.S. nationals on suspicion of trying to illegally take over 30 children out of the country

* Japan's Foreign Ministry on Sunday issued a protest after Russian border guards opened fire at two Japanese fishing vessels off the disputed South Kuril Islands