Damian Dovarganes / AP
Updated at 11:11 pm ET
Jeff Light, editor and publisher of The San Diego Union-Tribune started Saturday morning by apologizing. "Most Union-Tribune subscribers were without a newspaper this morning when a computer virus infected the company's business systems and hobbled the ability to publish," wrote Light.
In a note published on Union-Tribune's website, Light described a computer virus that affected the computer systems of Tribune Publishing, the media company that formerly owns Union-Tribune and currently owns several newspapers, including Chicago Tribune The Baltimore Sun and Orlando Sentinel . Although Union-Tribune is no longer owned by Tribune Publishing, Light said there is still "transition from the Tribune systems."
Marisa Kollias, spokesperson for Tribune Publishing, wrote in a statement to NPR's David Folkeflik: "On Friday, some of the Tribune Publishing printing production systems were disturbed, causing a delay in our production plan." Collias said that no personal data for subscribers, Internet users, or advertising clients was compromised due to the disruption, and news and all common features are available online.
Telephone lines for The Los Angeles Times was jammed Saturday morning, as many subscribers to that paper also woke up without their physical copy. The main Twitter account of the paper has responded to individual complaints with sentences as "We have had lots of delivery problems today, therefore our lines are busy" and "You're right! delivery today and we are sorry. " The Los Angeles Times as The Union-Tribune was previously owned by Tribune Publishing and still uses some of its systems.
Hillary Manning, spokesman for The Los Angeles Times wrote in an email to NPR:
"A computer virus infected the business systems related to the printing process. This has caused delayed and incomplete printing of the Los Angeles Times, San Diego Union-Tribune and other publications printed on our facility. As a result, many home delivery customers experienced delayed deliveries this morning and some customers may not have received the paper. "
Manning said Sunday paper delivery is likely to be affected as well .
Light says production of Wall Street Journal Wall Street Journal and The New York Times was also affected by Saturday's delays at the LA Eileen Olympic printing house Murphy, a New York Times spokesman, tells the NPR in an email that Times print circulation in some parts of the LA market was affected. She tells about 20,000 Saturday problems coming up on Sunday instead.
According to reports from Los Angeles Times the company believes that the production of other newspapers may also be affected, but has not yet confirmed details.