KABUL, Afghanistan -- Suicide bombers attacked a Shiite mosque packed with worshippers attending Friday prayers in southern Afghanistan, killing at least 47 people and wounding at least 70, a Taliban official said.
There was no immediate claim of responsibility for the attack at the Fatimiya Mosque in Kandahar province. The attack came a week after a bombing claimed by the local Islamic State affiliate killed 46 people at a Shiite mosque in northern Afghanistan.
The bombings have raised fears that the Islamic State -- an enemy of both the Taliban and the West -- is expanding its foothold in Afghanistan.
Hafiz Sayeed, the Taliban's chief for Kandahar's department of culture and information, said 47 people had been killed and at least 70 wounded in the attack.
Murtaza, a worshipper who like many Afghans goes by one name, said he was inside the mosque during the attack and reported four explosions: two outside and two inside. He said Friday prayers at the mosque typically draw hundreds of people.
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Another witness, also named Murtaza, was in charge of security at the mosque and said he saw two bombers. He said one detonated explosives outside the gate, and the other was already among the worshippers inside the mosque.
He said the mosque's security personnel shot another suspected attacker outside.
The Shiite Assembly of Ahl al-Bayt, a global religious society, condemned the attack in Kandahar, accusing the security forces in Afghanistan of being "incapable" of addressing such assaults.
The Islamic State group, which like Afghanistan's ruling Taliban is made up of Sunni Muslims, views Shiite Muslims as apostates deserving of death.
The group has claimed a number of deadly bombings across the country since the Taliban seized power in August amid the withdrawal of U.S. forces. The group has also targeted Taliban fighters in smaller attacks.
Recent attacks in the north, the east and the Afghan capital have cast doubt on the Taliban's ability to counter the threat posed by the Islamic State.
Neighboring Pakistan, which has urged world leaders to work with the ruling Taliban, condemned the "despicable attacks on places of worship" in a statement from its foreign ministry.
The Taliban have pledged to restore peace and security after decades of war and have also given the U.S. assurances that they will not allow the country to be used as a base for launching extremist attacks on other countries.
The Taliban have also pledged to protect Afghanistan's Shiite minority, which was persecuted during the last period of Taliban rule, in the 1990s.
Both the Taliban and the Islamic State adhere to a rigid interpretation of Islamic law, but the Islamic State is far more radical, with better-known branches in Iraq and Syria.
And while the Taliban say they are creating an Islamic state in Afghanistan, within the borders of that country, the Islamic State group says it is the true Islamic State, a global caliphate that it insists all Muslims must support. It is contemptuous of the Taliban's nationalist goals and doesn't recognize them as a pure Islamic movement.
