Myanmar is open for business, leader tells US firms
Myanmar President Thein Sein invited US companies to help create a "market economy" and end the isolation of his once-reclusive state, during a landmark visit to Washington. Duration: 00:47
The international community must be "adamant" about Syria, said Tuesday the former president of the National Coalition of the Syrian opposition, Moaz Ahmed al-Khatib, during a press conference in Madrid, where several Syrian opposition groups met for two days. Duration: 00:52
Dozens of people are feared killed by a huge tornado which tore through Oklahoma City suburbs, officials in the US state say. BBC weather presenter Ben Rich explains how the tornado was formed.