New Delhi, July 12 -- India said one of 11 Indian crew members aboard a commercial vessel attacked off the coast of Oman remained missing after 10 others were rescued as New Delhi condemned the attack and called for an immediate de-escalation of regional tensions.

India's Ministry of External Affairs (MEA) said in a statement its embassy in Oman was coordinating closely with Omani authorities as search-and-rescue operations continued following the attack on the GFS Galaxy.

The ministry said 10 of the 11 Indian nationals on board had been rescued, while one remained unaccounted for.

The MEA described the continuing attacks on commercial shipping in the region as "deeply worrisome" and renewed its call for an immediate de-escalation of t...