Definition: In this task, you will be presented with a passage and have to answer a question based on your understanding of the events inferred from the passage. Try to find the best answer that is most likely to fill in "_". Note that the URLs in the text have been replaced with [Link].
Input: (CNN) ISIS is claiming responsibility for a joint suicide bombing Saturday that killed dozens of people during a peaceful demonstration by a minority group in Kabul, Afghanistan. "I saw tens of people laying down in blood around me and hundreds of people running away from the scene," said Fatima Faizi, an Afghan freelance journalist. So far, 80 bodies and more than 260 wounded people were taken to hospitals in Kabul, according to Ismail Kawoosi, a spokesman for the Afghan Health Ministry. Sayed Hamed, 30, attended the protest but left before the explosions. He was about two kilometers (1.2 miles) away.Another explosion sows terror in Afghan capitalDozens dead during peaceful protest by minority Hazaras 
 Question:Even though no casualties were reported, _ remained on high alert Sunday, Sediqqi said.

Afghanistan