Shares in Citigroup, one of the biggest banks in the US, fell sharply on Friday amid ongoing uncertainty over its future.
The former head of Mexico's anti-organised crime agency is held as part of a probe into alleged links to drug cartels.
Somali pirates have been paid more than $150m (£101m) in ransoms in the past 12 months, Kenya's foreign minister says.
Popular Burmese comedian and activist Zarganar is sentenced to 45 years in jail in the latest of a string of imprisonments.
Supporters of Shia cleric Moqtada Sadr stage protests in Baghdad against a deal to allow US troops to remain in Iraq.
