Houthi attacks on Riyadh airport leave at least 12 dead, Saudi Arabia says

Saudi Arabia accused Yemen's Houthis of killing at least 12 people and wounding about 300 in a third attack on Riyadh's King Khalid International Airport in a week, the deadliest on the kingdom in more than a decade. Al Jazeera

Al JazeeraWorld condemns deadly Houthi attack on Saudi Arabia’s Riyadh airportTrump denounces 'terrible' attack and says the US is evaluating whether to join Saudi Arabia's offensive on the Houthis.

How should outside governments weigh condemnation against the risk of widening the war in Yemen?