What you need to know about China-Taiwan tensions

Less than a decade ago, ties seemed to be on the mend as the two sides — separated by a strait that is fewer than 80 miles (128 kilometers) wide at its narrowest point — deepened economic, cultural and even political engagements. But today, relations are at their lowest point in decades — raising fears of military escalation, even as experts caution that an imminent all-out war remains unlikely. CNN