Timeline of the 2009 Iranian election protests in Tehran and across the country of Iran. This day was the Day of Ashura, which marks the death of Imam Hussain and is an important day on the Shiite calendar. Police fired upon protesters and used tear gas. State TV reported that 15 people died this day, yet official reports from the Iranian government put the death toll at 8, making this the deadliest day of the protests since June. Among those killed was Seyed Ali Mousavi, the nephew of Mir-Hossein Mousavi. At least 300 people were arrested. BBC called the protests "the worst violence since last June's contested
2009 Iranian presidential election protests Mirdamadi, and former president Mohammad Khatami's brother Mohammad-Reza Khatami, who was later released. Also arrested were Mostafa Tajzadeh and Mohsen Aminzadeh, whom the IRNA said were involved in orchestrating protests on 13 June. Unidentified sources said that the police stormed the headquarters of the IIPF and arrested a number of people. Iranian journalist Mashallah Shamsolvaezin claimed that presidential candidate Mir-Hossein Mousavi was put under house arrest, although officials denied this. An estimated 200 people were detained after clashes with students at the University of Tehran, although many were later released. Acting Police Chief Ahmad-Reza Radan stated via the state press