Updated

The leader of Bahrain's largest Shiite opposition group says he has been summoned for questioning by the Interior Ministry.

Sheik Ali Salman, head of the al-Wefaq group, says authorities did not tell him why he's being summoned for questioning by criminal investigators Sunday. He said heavily armed government forces arrived at his house Saturday to deliver the order.

On Friday al-Wefaq members re-elected Salman as their secretary general. Also on Friday, al-Wefaq organized a protest to press for greater rights from the Sunni-led monarchy. Salman says al-Wefaq had an Interior Ministry permit to hold the rally.

The official Bahrain News Agency is quoting police saying violations occurred during the rally and that organizers were consequently summoned.

The country's Shiite majority has led protests demanding political reform since February 2011.