Bahraini forces fired tear gas at people attending a funeral ceremony inside a mosque in the village of Sanabis.
It was not immediately clear why security forces stormed the mosque.
Bahrain’s main opposition party al-Wefaq strongly condemned the incident, saying this is the second such attack this month.
In February, the regime forces also attacked a mosque in the village of Sa’ar near Manama.
Dozens of mosques have been demolished in Bahrain since the start of anti-monarchy rallies in 2011....