Houthi forces in Yemen used drones and missiles to strike four cities in southern Saudi Arabia — Khamis Mushait, Abha, Najran and Jizan — injuring at least 73 people and damaging oil facilities, airports and other economic infrastructure.

The International Organization for Migration counted more than 18,500 people displaced along Yemen's west coast alone over three days, as fighting intensified over control of the Bab el-Mandeb strait at the mouth of the Red Sea.

A widening front

Analysts note that this round was not confined to the southern border area but targeted airports, an air base and oil facilities together, marking a change in character. Saudi authorities said air defences engaged the incoming fire.

Ground fighting along Yemen's west coast has driven a sharp rise in civilian movement. UN agencies said drinking water and medical assistance were urgently needed.

The energy market's response

Brent crude rose to $99.46 a barrel on the 8th as news of the fighting spread, approaching the $100 mark. With the mouth of the Red Sea and the Gulf coast unsettled at once, pressure on marine insurance rates increased.

Shipping analysts expect more operators to route around the Cape of Good Hope again rather than through the Red Sea. Such diversions add sailing days and fuel costs, which feed into freight rates.

What it means in Korea and for Chinese communities

The corridor linking the Red Sea and the Gulf carries a significant share of Korean and Chinese export logistics to Europe. Sustained disruption feeds higher freight rates into consumer prices with a lag.

Large numbers of Korean and Chinese construction and engineering staff are based along the Gulf coast, and missions have advised restricting movement and observing safety guidance.

Talk of ceasefire mediation has resurfaced internationally, though no concrete negotiating schedule has been confirmed.