Deadly blasts hit Pakistan churches in Lahore
At least 50 people were reportedly hurt in the explosions at the Catholic church and Christ Church in the city's Youhanabad area.
The twin blasts took place at a busy time, with many people in the area to attend Sunday mass.
Pakistan's Christian community has often been targeted by militants.
An offshoot of the Pakistan Taliban, calling itself Jamatul Ahrar, has said it carried out the attack.
Witnesses say suicide bombers were responsible for the explosions but police have not confirmed this.
The bombers are said to have detonated their explosives at the gates of the churches.
Local media say the death toll has reached 10.
According to local reports, a crowd has gathered at the scene of the blasts, protesting about the lack of security.
The crowd is also said to have attacked a man suspected of involvement in the explosions.
At least 80 people were killed by bombers at a church in the Pakistani city of Peshawar in 2013, in what is thought to be the deadliest ever attack on the country's Christians.
Christians make up less than 2% of Pakistan's overwhelmingly Muslim population.
BBC News - Deadly blasts hit Pakistan churches in Lahore