Phantogram (music group)
A star-spangled party at L.A.'s Grand Park
A star-spangled party at L.A.'s Grand Park

Attracted by live music, food and an elaborate fireworks display, thousands of people filled Grand Park in downtown Los Angeles on Friday to celebrate the Fourth of July under a hot afternoon sun. In another sign of a resurgent city core, event organizers said that about 25,000 people were expected to attend the park's second annual Independence Day block party. By early evening, the crowd was estimated at more than 15,000 and growing, a number well ahead of last year's. "I think it's great they're doing this for L.A., especially downtown L.A.," said Carlos Ramos, 46, who lives a few blocks from the park. "I think downtown needs to be a little more...