The head of the International Monetary Fund (IMF) Christine Lagarde says cryptocurrency’s own blockchain technology could be used to control it while calling for a crackdown on bitcoin to ‘fight fire with fire”. The head of the International Monetary Fund said authorities around the world could harness the potential of cryptocurrencies to help bring them under control,

US magazine National Geographic says its past coverage of people around the world was racist.

It ignored non-white Americans and showed different groups as exotic or savage, propagating "every type of cliché", editor Susan Goldberg said.

The magazine's April edition is dedicated to race and it has asked a historian to look at past issues.

U.S. Secretary of State Rex Tillerson has cut short his first trip to Africa to return to Washington about one day ahead of schedule to deal with urgent work there, as reported by Reuters news agency. Tillerson’s travel plans have changed so that he can return to Washington early on Tuesday morning instead of late that night, a spokesman for the top U.S. diplomat told reporters travelling with him.

Secretary of State Rex Tillerson learned he was fired Tuesday only from a tweet by his boss, President Donald Trump, US NBC News reported, citing State Department officials.

And to add insult to injury, Tillerson was basically an afterthought in that tweet, which first introduced Trump's new chosen top diplomat, CIA Director Mike Pompeo.

According to NBC News, senior State Department officials said that there were long-standing tensions between Tillerson and Trump, and that former Exxon CEO Tillerson learned that he was canned from that tweet just before 9 a.m. Tuesday (3pm GMT+1).

President Donald Trump blocked Singapore chipmaker Broadcom from pursuing a hostile takeover of U.S. rival Qualcomm, ruling the proposed combination would imperil national security. The decision, announced late Monday, abruptly ends Broadcom's four-month, $117 billion hostile bid to buy Qualcomm — a deal that would have been the largest ever completed in the technology industry.

China's parliament on Sunday overwhelmingly endorsed a controversial change to the country's constitution, paving the way for President Xi Jinping to stay in power indefinitely, CNN reports. According to the report, nearly 3,000 delegates to the National People's Congress (NPC) who gathered inside Beijing's Great Hall of the People cast their ballots on a series of proposed amendments -- including removing the restriction that had limited the presidency to two consecutive five-year terms.