Chinese Ambassador to Iran Cong Peiwu (right) delivers documents for emergency humanitarian aid to Razieh Alishvandi, vice-president of International Affairs and Humanitarian Law at the Iranian Red Crescent Society, during a ceremony on Sunday in Tehran, the capital of Iran. China offered $200,000 as special funds to the families of teachers and students killed in an attack on a primary school in Iran. At least 165 people were killed in the attack, and most of the victims were schoolchildren.