New Delhi: In a major development in investigating agencies crackdown on controversial Islamic preacher Zakir Naik who is under the lens for alleged terrorism and money laundering, the Enforcement Directorate on Monday attached his assets worth Rs 18.37 crore in the form of mutual funds, properties and bank balance.

The development came on a day when National Investigation Agency also issued fresh summons against the Salafist preacher, who is hiding in Saudi Arabia, asking him to appear before it on March 30 at its headquarters in Delhi.