Spanish police have arrested 28 people and charged 10 others in connection with an international child pornography network allegedly headquartered in Toronto...DVDs sold though the network via three websites have been distributed to 94 countries for an estimated annual income of $1.6 million...The videos were made by exploiting boys from the Ukraine, Romania and Germany. Most children have been identified and rescued in their respective countries...The Spanish arrests were announced days after the launch of a global alliance of 48 countries, including Spain and Canada, to fight online child exploitation...