The cable car incident that injured seven people Wednesday was caused by a bolt in the tracks that failed to trigger an alarm meant to alert operators of an obstruction, Muni officials said Thursday. The cable car on the Powell-Hyde line was headed downtown Wednesday when it struck the bolt and abruptly stopped at Powell and Washington streets about 10:15 a.m. The sudden stop injured five passengers and two Muni workers. One of the injured passengers was a man in his 80s who suffered a head injury, fire Lt. Mindy Talmadge said. Read More

Check out what our staff and columnists predict will happen in this year's Super Bowl between the San Francisco 49ers and the Baltimore Ravens. Read More

The San Francisco Ballet opened its 2013 season Thursday evening at the City Hall rotunda with “Moving the Compass,” a black-tie gala celebrating the troupe’s 80th anniversary. Chaired by Deborah Taylor, the evening included cocktails, fine dining, a crowd-pleasing performance (including excerpts of works by artistic director Helgi Tomasson) and an after-party. Read More

Giants catcher Buster Posey, Atlanta Braves outfielder Jason Heyward and Boston Red Sox outfielder Jacoby Ellsbury are among 133 players who have filed for salary arbitration. Chicago Cubs pitcher Matt Garza and Giants outfielder Hunter Pence also are among those who filed Tuesday. Six extra players filed because of a change to baseball’s labor contract: Washington reliever Drew Storen, San Diego shortstop Everth Cabrera, Toronto catcher Josh Thole, Tampa Bay outfielder Sam Fuld, Colorado outfielder Tyler Colvin and Arizona third baseman Chris Johnson. Read More

The San Francisco Bulls fell behind in the second period and could never recover Sunday during a 4-2 loss to the Bakersfield Condors at the Cow Palace. Bakersfield jumped out to a 2-0 lead in the second period on goals from Francis Verreault and Jacob Lagace only 11 seconds apart. The Condors extended their lead to 3-0 on a shorthanded goal by Nicholas Tremblay. San Franciso’s Peter Sivak put the Bulls on the board at 7:50 of the second period and Kris Belan made it 3-2 in the third period, but Lagace put the game on ice with empty-netter at the end. Read More

The owner of the San Francisco Examiner and the San Francisco Bay Guardian is acquiring the SF Weekly in a sale designed to preserve and enhance the paper’s role in The City’s media ecosystem. San Francisco Newspaper Co., the Weekly’s new owner, pledged to continue operating the venerable alternative newsweekly as a standalone publication with separate editorial content from the both the Examiner and the Guardian. Read More

Two weeks after safety advocates questioned the slow pace of The City’s pedestrian action plan, the mayor on Wednesday announced details of a proposal that’s being drafted. The plan, which is expected to be finalized and implemented in early 2013, is one step toward a city goal to reduce serious or fatal pedestrian accidents by 25 percent in 2016 and by 50 percent five years later, Mayor Ed Lee said. Read More