British ambassador to Iran Macaire said he only attended a prayer meeting for 176 victims on the plane shot wrongly, did not participate in protests.

"I assert that I did not participate in any protests. I just came to the event that was reported as a prayer meeting for the victims of the flight tragedy number 752. Paying tribute to the deceased, in it is normal for a British citizen to leave. After leaving for 5 minutes, "British Ambassador to Iran Rob Macaire posted Twitter today.

The prayers for victims outside Amir Kabir Technological University in Tehran on Wednesday evening quickly turned into protests against the government. Hundreds of people chanting slogans asking the supreme leader Ayatollah Ali Khamenei to resign and Iranian Revolutionary Guards (IRGC) to leave the country.

According to Iran's TASnim news agency, the British ambassador and some were arrested for allegedly organizing, provoking and directing protests. It is not clear which force arrested Mr. Macaire.

"I was detained half an hour after leaving the ceremony. It was illegal to arrest diplomats in any country. I saw Foreign Minister Dominic Raab's statement. Thank you for your goodwill message." , British Ambassador adds.

The Foreign Ministry reacted angrily to the ambassadors' arrest, calling it a "flagrant violation of international law". The United States also requires Iran to formally apologize to the United Kingdom and respect the rights of all diplomats.

The Iranian government yesterday admitted to accidentally shooting down a flight bearing the number PS752 of Ukraine International Airlines (UIA). The soldiers mistook the aircraft as a "hostile target" due to its shape, altitude and aircraft suddenly turning toward a military base. This recognition shocked many Iranians and made them angry.