India says attack on Indian-flagged ship off Oman's coast 'unacceptable'

India says attack on Indian-flagged ship off Oman's coast 'unacceptable' India said that an Indian-flagged ship had been attacked off the coast of Oman on Wednesday and all crew on board were safe. "The attack... is unacceptable and we deplore the fact that commercial shipping and civilian mariners continue to be targeted," India's foreign ministry said in a statement on Thursday.