It results from poor organization. This especially comes up when you use quotes from multiple sources that give the same information. Limit each sentence to one idea or a range of closely related ideas. While you need to write in everyday language, avoid colloquial expressions, abstractions and jargon. Don't over- simplify by merely stringing a series of facts together.
News needs to be written as a narrative.
The heart of good writing is attention to detail. The reader shouldn't be expected to figure out what you're trying to say. When you pay attention to detail, you write in a concise style without unnecessary wordage. If you've never written a press release before, it might seem a little difficult. A good place to start is by reading your local newspaper, national newspapers and magazines.