Former ISI Chief, Hameed Gul says he has information that the US can launch unilateral offensive in Pakistan's tribal areas by July 20. In a statement issued here on Friday, Hameed Gul said the US forces have so far attacked 46 times in different parts of Pakistan. But this time the offensive will be more intense compared to the previous ones, he added. "The government of Pakistan should warn the US and ensure safety of the tribal areas," he demanded.