Colombia grapples with a wave of guerrilla violence killing over 100 in days, challenging peace efforts as troops confront rising tensions along the border.
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Read moreTV presenter Tony Jones publicly apologized to Novak Djokovic after controversial remarks about Serbian fans during the Australian Open, prompting a boycott from the tennis star.
Read moreHigh-profile billionaires attend Trump's inauguration, aiming to forge strong ties with the new administration. Here's who was present and their estimated wealth.
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