The story

Two students at the Red Mosque in Islamabad who tried to surrender Friday were shot dead by radical Islamic students, intelligence sources in Pakistan said.

The sources gave no additional details of how the shootings occurred. CNN is attempting to reach officials inside the Red Mosque for comment.

Pakistani forces and radical Islamic students in Islamabad -- Pakistan's capital -- remained locked in a tense standoff at the Lal Masjid, or Red Mosque, punctuated by heavy explosions and periodic exchanges of gunfire, a four day siege that has now resulted in at least 26 deaths.

The violence began Tuesday when about 150 militant students attacked a police checkpoint close to the mosque. Police fired tear gas and the students fought back with sticks and guns and took refuge in the mosque.

The government said Friday talks were over with the students. Read full article »

CNN's Syed Mohsin Naqvi contributed to this report.

All About IslamabadPervez MusharrafIslamPakistan

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