Cogeco Cable Inc. plans to expand its presence in the United States with a US$200 million-deal to buy the MetroCast TV, Internet and phone network in eastern Connecticut. The purchase will be made through the Montreal-based company's Atlantic Broadband subsidiary, which is the 13th largest cable operator in the U.S. Cogeco says its definitive agreement to buy the assets from MetroCast Communications and its parent Harron Communications LP is expected to close by the end of September, subject to regulatory approvals.