"During the meeting with Iran's foreign ministry official, Iran strongly condemned the unfounded allegations and criticized Britain's unacceptable stance regarding the attacks in the Gulf of Oman."
Iran also said its security forces killed the mastermind of the attacks on Saturday.
41 arrested in connection to twin attacks claimed by ISIS.
Some of these groups are ethnic or religious based and have opposed the regime for decades.
Iranian authorities have criticized a rising alliance between Washington and Riyadh against Tehran.
The aim of the military exercise in Semnan province was to "showcase the power of Iran's revolution and to dismiss the sanctions."
Government controlled media in Iran did not comment or acknowledge the arrests but Arab media outlets have been covering the story quite extensively.
It was at least the fourth such incident in less than a month. US officials are concerned that these actions by Iran could lead to mistakes.
General Qasemi, a crony of Iran's supreme leader, urged the annexation of Bahrain to Iran, explaining that "Bahrain is an Iranian province that was detached from Iran due to the colonialism."