We have written a few articles on how to write a news release. Visit the following helpful articles on PR writing:

• Top 10 News Release Mistakes
  Ten tips for getting your press release approved for distribution the first time.
• On Writing News Releases
  What makes a story newsworthy? For the media to consider your announcement newsworthy it must have…
• Tips for Google News Inclusion
  Four tips that will help you fine-tune your press release for Google News inclusion.
• How to Write a Press Release Are you preparing to launch a new product, or service? Have you recently, started using press releases? A well-written press release that is newsworthy can generate media exposure, new business, search visibility, web site traffic, and much more.