DUBAI, March 11 (Reuters) - A homemade bomb exploded in a Shi'ite Muslim village in Bahrain on Tuesday, wounding two policemen, the interior ministry said, nine days after another blast in the Gulf Arab kingdom killed three security men.
Bahrain has been grappling with unrest by majority Shi'ites over the past three years demanding political reform and an end to perceived discrimination in the Sunni Muslim-ruled country. Bahrain denies any discrimination against Shi'ites.
Bomb attacks have increased since last year, raising concern about further instability in the Western-allied kingdom where the U.S. Fifth Fleet is based as a bulwark against Shi'ite giant Iran across the Gulf.
A tweet by the interior ministry said that investigators were at the scene of Tuesday's explosion in al-Eker south of the capital Manama, but provided no further details.
On March 3, three policemen, including one from the United Arab Emirates, died when what the authorities say was a remote-controlled bomb exploded during a mourning procession for a 23-year-old Shi'ite who died in custody on Feb. 26.
The Interior Ministry has said the blast occurred as police were trying to disperse protesters who were blocking roads in the village of Daih, west of the capital Manama. Four people have been arrested in connection to the Daih bombing.
Mainstream opposition groups, including the main Shi'ite al-Wefaq movement, have condemned the bombing and called on their followers to ensure that protest activities remain peaceful.
The village of al-Eker was the scene of a bomb blast and riots that killed a policeman in 2012, the first to die after the lifting of martial law in the country in June 2011.
Bahrain has accused Iran of fomenting bloodshed in the kingdom. Iran denies having links to Bahrain's opposition or any hand in violence, but champions the cause of Shi'ites there. (Reporting By Farishta Saeed; Writing By Maha El Dahan; Editing by Sami Aboudi and Mark Heinrich)
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