41.   But the Justice Department blocked the deal because of antitrust concerns.

42.   But the News Corp. is trying to gain an advantage by rallying support in Washington, arguing that an EchoStar deal would raise serious antitrust concerns.

43.   But they strenuously argued that antitrust concerns made it highly unlikely the General Dynamics bid would pass scrutiny with the Defense Department and federal regulators.

44.   But they have softened their tone in the face of antitrust concerns over the merger between EchoStar and DirecTV.

45.   Cablevision owns Sports Channel, which like MSG is a sports network, and one of the executives said that might raise antitrust concerns.

46.   Chantry said the agreement could arouse antitrust concerns with regulators.

47.   Currently, antitrust concerns must be referred by Oftel to either the Office of Fair Trading or the Monopolies and Mergers Commission.

48.   Deals that raise serious antitrust concerns proceed to the second stage of investigations, which can take up to four months.

49.   Diageo is hoping to join forces with another company, the executives said, to avert possible antitrust concerns about owning an unfairly large segment of the liquor business.

50.   During merger cases, the FTC commonly resolves antitrust concerns by requiring a company to sell enough assets to restore competition that would otherwise be lost through an acquisition.