Mahmoud Mohsen. Photo published on Twitter.
The village of Sitra, south of the Bahraini capital Manama, has been in shock following the death of a teenage boy last Wednesday during clashes between Shiite demonstrators and police. The boy had been filming the protests on behalf of opposition activists.
Mahmoud Mohsen, 14, was struck in the heart and chest by buckshot pellets during clashes with security forces on May 21. The unrest broke out after a funeral procession for a Shiite activist.
Dozens of activists protested on Thursday in Sitra, a majority Shiite town, to denounce what they call the “murder” of the teenager.
Protest at Sitra on Thursday night to denounce the “murder” of the teenager” .
Fearing the protests could escalate, on Friday authorities sent in reinforcements to the town.
Police vehicles on their way to Sitra. 
In a statement, the Bahrain Center for Human Rights denounced what it called an “extrajudicial killing” and called for an independent inquiry to find those responsible.
The major opposition Shiite group, Al-Wefaq, has also voiced its anger. “You have killed a kid who posed no danger to anyone,” the leader of the opposition movement, Sheikh Ali Salmane, said in a tweet.
The interior ministry announced in a tweet that a dead person had been brought to a clinic in Sitra, and that an inquiry has been launched.
This video of clashes on May 21 was filmed and uploaded by activists. Police are seen chasing young protesters and firing shotgun pellets. A part of the video has been blurred to disguise the protesters’ identities. At 4:18, the young Mahmoud Mohsen is seen lying on a bench behind a car. He appears unconscious and to be bleeding from his mouth and nose.

“The protesters were surprised because the police got out of their vehicles”

Mohsen A. lives in the Kharijiyya neighbourhood in Sitra, where the clashes took place. He wished to remain anonymous out of fear for his security.
I saw the incident from my balcony, in the Kharijiyya neighbourhood at the edge of Sitra. It happened around 5:30pm. The protesters went to the cemetery there to bury Ali Fayçal, an activist who died three days earlier during scuffles with security forces.
Clashes between activists and police happen regularly in this area. Usually, security forces stay behind armoured shields and fire tear gas as well as buckshot pellets [Editor’s Note: Protesters, for their part, usually throw Molotov cocktails]. But this time, the protesters were surprised because the police got out of their vehicles and started to chase them on foot. 
A photo of Mahoumd Mohsen's death certificate has been circulating on social media networks. It clearly states the teenager was killed due to buckshot pellet wounds. 
“He was captured and taken by police to an alley”
Mahmoud Mohsen, who was filming the clashes at the time, was not on the front line against the police. He was further back, with two other youths, on a football field next to the cemetery. They often stand there to get a better view of what’s happening around them and avoid being surprised by the police.
Two policemen went straight to Mahmoud, because he was wearing face mask. [Editor’s note: police target masked protesters because they suspect them of being under an arrest warrant]. The two youths with him fled, but Mahmoud was caught and taken to an alley behind the stadium.
At that moment, I lost sight of the two officers and the young man. But I heard a loud detonation and soon afterwards, the two policemen reappeared. They dragged the young man to the football field’s entrance and threw him on the ground, face down. He laid there for 10 to 15 minutes. No one could go and rescue him because the officers were still there.
As soon as they could, some youths took the kid back to his home where they tried to give him first aid. He was then taken to Sitra hospital, where doctors pronounced him dead.
The photos of Mahmoud Mohsen in the hospital were widely shared online. The pellet wounds are clearly visible on his torso. (Photo blurred by FRANCE 24.)
Bahrain, a monarchy led by a Sunni family, has been shaken by a Shiite opposition movement. The majority of the population is Shiite. According to the Worldwide Human Rights Movement (FIDH), at least 89 people have been killed since the start of the protests in February 2011.