China has advised its citizens to evacuate Eswatini, the small southern African kingdom that is Taiwan's only remaining diplomatic ally on the continent, citing unspecified "security risks," according to the BBC and Bloomberg.

Eswatini is one of just 12 countries worldwide — and the only one in Africa — that maintains formal diplomatic relations with Taiwan rather than Beijing, per the BBC.

Why it matters: the advisory lands amid Beijing's long campaign to shrink Taipei's list of formal diplomatic partners.

Hypothesis: the advisory reads less like a routine safety notice and more like pressure on Eswatini over its ties to Taipei. Supporting this: it singles out Eswatini rather than warning about the wider region, and neither report cites a specific incident behind the "security risk" label. Against this: both outlets note the risk remains unspecified, so an unrelated safety concern cannot be ruled out.

What to watch: how Eswatini's government responds to the advisory, whether Beijing follows it with further economic or diplomatic pressure, and whether Taiwan's foreign ministry publicly defends the relationship.