Iran says it has seized another Saudi vessel
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Iran's Islamic Revolution Guard Corps on Friday seized a Saudi vessel in the Persian Gulf, Tasnim News Agency reported on Saturday.
Five Saudi fishermen were arrested, according to the report.
This was the second such case in one month. Earlier on July 7, Iran's Islamic Revolutionary Guards Corps claimed it had confiscated a boat belonging to Saudi Arabia following unauthorized entry into Iran’s waters in the Persian Gulf.
Tensions between Iran and Saudi Arabia have steadily deteriorated. On June 5, Riyadh and other Arab governments severed ties with Qatar, citing its support of Iran as a reason.
Days later, suicide bombings and shootings in Tehran killed at least 17 people. 
Shi'ite Muslim Iran repeated accusations that Saudi Arabia funds Sunni Islamist militants, including Islamic State. Riyadh has denied involvement in the attacks.
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