Brazilian prosecutors request the arrest of ex-President Luiz Inacio Lula da Silva in a money laundering inquiry.

Presidential hopeful Marco Rubio has his last chance to make an impact in a Republican debate before Tuesday's do-or-die contest in Florida.

Japan is marking the fifth anniversary of the devastating earthquake and tsunami that left more than 18,000 dead or missing.

The UN and activist groups urge Honduras to protect the only witness to last week's murder of indigenous rights campaigner Berta Caceres.

The White House says David Cameron has been "as close a partner" as Barack Obama has had, after the president appeared to criticise the PM in a magazine interview.

Some people with high levels of supposedly "good" cholesterol are at much greater risk of a heart disease, a study suggests.

A controversial cultural festival on the floodplains of Delhi's Yamuna river begins on Friday amid opposition from activists and MPs.

Two of the booksellers caught up in a criminal investigation in China have returned to the mainland after a brief visit to Hong Kong, says a friend.