A Houthi missile struck the bulk carrier Cyclades, while another MSC containership linked to Zodiac Maritime has been fired upon.
Qatari LNG shipping company Nakilat reported higher revenues and lower operating expenses for the first quarter.
The new Muscat office will focus on crew management and allow the ship management group to offer technical and crew services to the region.
Houthi rebels in Yemen have stepped up attacks on shipping again in recent days including a strike on an Aframax tanker Andromeda Star.