MUSCAT (Reuters) - A policeman was killed on Sunday when armed men attacked a prison in Bahrain, freeing several convicted inmates, the interior ministry said, in what it described as a terrorist act.
It did not provide an exact number for those who had escaped or identify them but said authorities were searching for them.
Thousands of mainly Shi'ite Muslim Bahrainis are in jail on charges ranging from participating in anti-government protests to armed attacks on security forces in the Western-allied Gulf kingdom, where the U.S. Fifth Fleet is based.
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"An armed attack on the Jau reform and rehabilitation center resulted in the death of policeman Abdul Salam Saif and the escape of a number of inmates convicted of terrorist crimes," the ministry said in a statement posted on its Twitter account.
A Bahraini court in January last year sentenced 57 men to 15-year jail terms for taking part in a 2015 riot inside Jau prison, which is located outside the capital Manama. [nL8N159268}
Bahraini security forces tear-gassed and beat inmates at the prison while trying to quell clashes that erupted during family visits, local human rights group Bahrain Youth Society for Human rights said at the time.
Bahrain crushed mass Arab Spring protests in 2011 but continued to suffer occasional outbursts mostly by majority Shi'ites demanding reforms and a bigger share in running the island state wedged between regional rivals Iran and Saudi Arabia.
Shi'ites complain of discrimination by the Sunni-led monarchy, a charge the government denies.
(Reporting by Omar Fahmy, Writing by Tom Finn and Sami Aboudi, Editing by Ruth Pitchford)