Dozens killed in Nigeria church attack

What they're saying: "I am deeply saddened by the unprovoked attack and killing of innocent people of Owo, worshiping at the St. Francis Catholic Church," said Rotimi Akeredolu, the governor of Ondo state, in a tweet. Owo is located in Ondo state.

• "It is a black Sunday in Owo," he added. "Our hearts are heavy. Our peace and tranquility have been attacked by the enemies of the people. This is a personal loss, an attack on our dear state."
• "We shall commit every available resource to hunt down these assailants and make them pay," Akeredolu said.

Details: Worshippers had gathered at the church to celebrate Pentecost Sunday, according to the AP.

• Pope Francis said in a statement from the Vatican press office that he "prays for the victims and for the country, painfully attacked at a time of celebration, and he entrusts everyone to the Lord, that God might send His Spirit to console them."