Union Home Minister Amit Shah attended a wreath-laying ceremony here on Monday to pay homage to the security personnel who lost their lives in a gun battle with Naxals in Chhattisgarh’s Bastar region. Twenty-two security personnel were killed and 31 others injured in the gunfight with Naxals between Jonaguda and Tekalguda villages along the border of Sukma and Bijapur districts on Saturday.