EU leaders failed to reach agreement as their summit ended early Thursday over who should get the top jobs to steer the 28-nation bloc over the next five years.
Former world leaders Bill Clinton and Tony Blair attended a special summit in Colombia in support of the country's bid to forge peace with FARC rebels.
A summit of G77 leaders plus China wrapped up Sunday with a call for an end to poverty by 2030, after a demand by Bolivia's President Evo Morales to eliminate the UN Security Council.
Co-hosts Angelina Jolie and British Foreign Secretary William Hague will on Tuesday open a four-day summit on ending sexual violence in conflict, the biggest meeting ever held on the subject.
North Korea test-fired two medium-range ballistic missiles, prompting a stern US reaction after President Obama hosted a landmark Japan-South Korea summit.
Chinese President Xi Jinping and US President Barack Obama will hold a bilateral meeting on the sidelines of the Nuclear Security Summit (NSS) in the Netherlands next week.
She might be one of the most powerful women in the world but that didn't wash with security at the G20 in Sydney who reportedly asked Janet Yellen to show her ID.
US President Barack Obama joined the Mexican and Canadian leaders Wednesday for a North American summit focused on trade but marked by friction between the "three amigos."
Australian Treasurer Joe Hockey said Wednesday it was "hugely important" that G20 leaders agree to faster global growth targets when they meet in Sydney this weekend.
Cuban President Raul Castro Tuesday railed against US spying as he opened a summit of Latin American and Caribbean leaders set up by Venezuela's late anti-US leader Hugo Chavez.