Denmark’s Maersk still plans to sail more than 30 container vessels through the Suez Canal and the Red Sea in the time ahead despite a weekend attack on one of its ships in the area, a company schedule released late on Monday showed.

But Maersk also put on hold plans for some vessels to use the Red Sea route amid continued risk of attacks by Yemen’s Houthi fighters, saying it would announce the itinerary for each ship at a later time.

Maersk on Sunday paused all Red Sea sailings for 48 hours following attempts by the Iranian-backed Houthis to board its Maersk Hangzhou vessel, although US military helicopters ultimately repelled the attack and killed 10 fighters.

Major shipping groups, including container giants Maersk and Hapag-Lloyd had last month stopped using Red Sea routes and the Suez Canal, rerouting instead to a longer journey around Africa via the Cape of Good Hope. But Maersk on Dec 24 said it was preparing a return to the Red Sea, citing the deployment of a US-led military operation to protect vessels.

The company has said that its top priority is the safety of crew, vessels and cargo, and that plans are updated “on a vessel-by-vessel basis”, with some set to travel via Suez and others taking the longer route around Africa.