Germany's junior partner in the ruling coalition, the Social Democrats (SPD), has elected its first female leader in the party's 154-year history. Former Labour Minister Andrea Nahles was chosen to replace Martin Schulz, who resigned after the SPD's worst result since 1933 in last year's polls.
Environmentalist Marina Silva could unseat incumbent Dilma Rousseff in Brazil's presidential elections in October, a public opinion poll revealed on Monday, reflecting an altered political landscape since Silva's running mate was killed in a plane crash last week.
Germany's two main opposition parties traded warnings against joining forces with Chancellor Angela Merkel's conservatives after September's election if they fail to win their own left-of-centre majority.