Two months after a suspected terror attack on the Saint Francis Catholic Church in Owo, the assailants linked to the incident have been arrested.   The Chief of Defence Staff, General Leo Irabor disclosed this on Tuesday during a parley with executives and editors of media organisations in Nigeria.   General Irabor said the attackers were arrested during joint operations involving the Armed Forces, the Department of Security Services (DSS) and the police.   About 40 people were killed when the gunmen stormed the church on June 5, opened fire on the congregation, and also detonated explosives as the