A suicide bomber attacked a gathering of Taliban and Afghan security officials Saturday in Nanggarhar during cease-fires, killing at least 26 people, officials said.
Also, more than 50 people were wounded in the eastern Afghan city as people celebrated the second day of Eid al-Fitr, marking the end of the month of Ramadan, The New York Times reported. The event also included civilians, who were among the casualties.
Both sides had declared overlapping cease-fires and unarrned Taliban militants had entered Afghan cities Saturday.
The Islamic State, which is active in Nangarhar Province, claimed responsibility, according to TOLO News, an Afghan news agency.
Attaullah Khogyani, the governor’s spokesman for Nangarhar, confirmed to Al Jazeera a suicide bomber caused the damage.