Update:

Add Taiwanese container shipping line Evergreen and Belgian tanker owner Euronav to the growing list of major shipping firms halting all sails through the Red Sea strait. This brings the total to seven. 

Also, the UK Navy disclosed more details regarding today's incident in the Red Sea, reporting that an explosion hit the side of a commercial vessel near Yemen. The Norwegian owner of the ship confirmed that an "unidentified object" had impacted the vessel on the port side. 

Bloomberg reports: 

YEMEN HOUTHIS SAY THEY ATTACKED MSC CLARA CONTAINER SHIP

YEMEN HOUTHIS CLAIM THEY ALSO ATTACKED SWAN ATLANTIC OIL TANKER

Brent crude futures have risen 3% from the lows of $75.81 a barrel since 0515 ET after reports started to trickle in about another incident in the Red Sea and more shippers were halting sailings in the region.

Between 10% and 12% of global trade passes through the Red Sea each year.