dubai bahrain accuse qatar monday illegally seize three boat 16 sailors board state news agency bna report worsen already deeply trouble diplomatic situation region coast guard commander commodore alaa siyadi tell bna boat seize past three days report give detail boat seize qatar confirm detain fish boat enter territorial water illegally say sailors release soon siyadi say seizure raise 15 number boat seize number sailors qatari custody 20 add boat seizures date back 2009 bna report unauthorized fish boat receive warn leave qatari water non-compliant refer competent authorities source qatar interior ministry say crew release within three days ship detain court make decision bahrain together saudi arabia unite arab emirates egypt impose diplomatic trade travel sanction qatar june accuse support terrorism doha deny bahrain accuse qatar seize three boat agency