Police allowed shoppers to return after a few minutes. Westfield mall authorities said the alarm was triggered in a restaurant area.
Wimbledon champs learn Olympic draws
Roger Federer is back at Wimbledon a few weeks after winning his seventh title there, opening his bid for Olympic gold against Colombian Alejandro Falla.
Serena Williams, who also won at the All England Club, plays Jelena Jankovic in the first round. The draw was held Thursday, two days ahead of the event.
Second-ranked Novak Djokovic was drawn into the same half as Wimbledon finalist Andy Murray, meaning the pair could meet in the semifinals.
Williams could meet No. 1 Victoria Azarenka of Belarus in the semifinals.
Greek high jumper fails doping test, withdraws
A Greek athlete has failed a doping test, according to an IAAF official, and the father and coach of world indoor high jump champion Dimitris Chondrokoukis says his son has tested positive and withdrawn from the Olympics.