TEHRAN (Reuters/AFP) - Irans Supreme Leader Ayatollah Ali Khamenei has accepted a request by Irans top legislative body to extend the deadline by five days for receiving candidates election complaints, state television said on Tuesday. I give my agreement to your proposition. Act accordingly, ISNA quoted Khamenei as saying in response to a request by the head of the Guardians Council for an extension to Wednesdays deadline. Irans president and new cabinet will be sworn in before parliament between July 26 and August 19 following the presidential election, the official news agency IRNA said on Tuesday. Parliaments board of directors set July 26 to August 19 as the period for the presidents swearing-in and the introduction of the new cabinet, it said. It did not specifically mention President Mahmoud Ahmadinejad, who was declared the winner of the June 12 election despite opposition complaints of irregularities. Meanwhile, Iranian authorities said they would teach an exemplary lesson to rioters held in the worst unrest since the birth of the Islamic Republic and accused Western powers of inciting the violence. Riot police and Basij militia on Tehrans main squares warded off the mass protests that have marked the week since disputed elections. Irans hardline leadership appeared to have gained the ascendancy, at least for the moment. Supporters of President Mahmoud Ahmadinejad held a news conference in the building of the old US embassy that was seized by students after the Islamic Revolution in 1979 and held with 52 US hostages for 444 days. We dont need to have such useless relations with Britain ... If Britain continues its interference in Iran, we will destroy their houses over their heads, said one of the student leaders. The official IRNA news agency quoted senior judiciary official Ebrahim Raisi as saying on state television late on Monday: Those arrested in recent events will be dealt with in a way that will teach them a lesson. He said a special court was studying the cases. The rioters should be dealt with in an exemplary way and the judiciary will do that, Raisi said. Meanwhile, Iranian state television broadcast footage on Tuesday of what it said were rioters admitting going on the rampage, inspired by Western media outlets which have been targeted by the authorities. We were under the influence of Voice of America Persia and the BBC, declared one woman, dressed in a black overcoat and headscarf, who said she joined in street violence that erupted during massive opposition protests over the disputed presidential vote. The entire atmosphere was created by the BBC. My son had a grenade in his bag as he wanted to appear stronger than others, said the woman, whose face was blurred by the television. Irans foreign ministry on Monday directly accused the two global broadcasters of working for Israel and seeking to break up the Islamic republic with their coverage of the post-election unrest.