According to reports , the level of foreign dignitaries taking part in Rouhani 's inauguration would be “ unprecedented ” . The following leaders attended the swearing in ceremony : Security in the capital has been increased to the highest level , the police said , two months after gunmen linked to the ISIL attacked the parliament and the mausoleum of the late Ayatollah Ruhollah Khomeini , killing 17 people
attacked
2017 Tehran attacks
Second inauguration of Hassan Rouhani