Bethel Memorial Methodist Church , located on Zarghoon Road, was targeted in the attack. Another was shot dead near the church's entrance by security forces after an intense gunfight, Bugti said.
He said preliminary reports indicate a group of four suicide bombers have take position in the blast site and a clash is underway in the area.
The other suicide bomber blew himself up inside the church, he said, adding that security and rescue personnel were focusing on getting medical aid to the injured as soon as possible.
According to the Geo TV channel, citing local police sources, the blast is believed to be a suicide attack.
Bomb Disposal Squad has also reached the scene. The city has witnessed recent several attacks in the past two years. The area has been cordoned off and an emergency situation was imposed in all hospitals across Quetta.
Home Minister of Balochistan, Sarfaraz Bugti confirmed the militants attacked targeting the Church.
It is pertinent to mention that large number of people are present in the church to attend their prayers. "All doctors and paramedics staff shall be vigilant and must use all available resources to give maximum proper health care facilities to the injured ones" an official statement said.
Meanwhile, the country's Foreign Ministry has condemned the attack, calling it a cowardly deed and stressing the Pakistani government's commitment to the fight against terrorism.
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