
Drug challenges are among the most complex problems we face, with wide-ranging impacts on health and well-being, families and communities, security and sustainable development.

Argentina ground to a halt on Monday as public service unions blocked road, rail and air transport with a nationwide 24-hour strike in protest at the government's latest deal with the International Monetary Fund. In a massive show of force against the conservative government of President Mauricio Macri, organizers said at least one million workers were taking part in the industrial action which halted trains, subways, buses and flights in Latin America's third-largest economy.

The truck drivers' strike which paralyzed Brazil's trade and supply for about 10 days in May had a significant effect on the country's economy, its central bank reported on Monday.

The British government must increase spending on the armed forces if Britain is to maintain its defense relationship with the United States, MPs have warned. The Commons Defense Committee said without further investment, UK forces would struggle to maintain “interoperability” with the US military, diminishing their usefulness as allies.

British lawmakers on Monday approved plans to expand Heathrow Airport near London after years of study and debate, but the construction of a third runway still faces significant hurdles.

President Michel Temer will press U.S. Vice President Mike Pence during his two-day visit to Brazil on cases of Brazilian children separated from their parents upon trying to enter the United States, a Brazilian diplomat said on Monday.

Argentina labor's umbrella organization CGT, has organized a strike for Monday to protest the economic reforms being implemented y the administration of president Mauricio Macri's business friendly administration.

Tens of thousands of people have marched on Saturday in central London to demand a final vote on any UK exit deal, on the second anniversary of the Brexit vote. Organizers of the People's Vote march say Brexit is not a done deal and people must make their voices heard. Meanwhile, hundreds attended a pro-Brexit counter-protest. It came as senior Cabinet ministers, including Liam Fox and David Davis, insisted the UK is prepared to walk away from talks without an agreement.

Brazil's Supreme Court has cancelled a ruling set for Tuesday on an appeal by former president Luiz Inacio Lula da Silva to be freed from prison while he attempts to overturn his corruption sentence.

The European Union (EU) has introduced retaliatory tariffs on US goods as a top official launched a fresh attack on President Donald Trump's trade policy. The duties on €2.8bn worth of US goods came into force on Friday. Tariffs have been imposed on products such as bourbon whiskey, motorcycles and orange juice.