( ARIC CRABB )
East Bay Comic-Con a flight of fantasy

East Bay Comic-Con's superheroes, villains, comic book aficionados 
Concord wine store Monument Wines and Spirits sold a winning $1 million Powerball ticket  
 
The 49 baseball and softball teams in the Junior Optimist Baseball League have been locked out of the 15 North Concord ball fields they rent from Tesoro Golden Eagle refinery since Feb. 2, when the United Steelworkers walked off the job at Tesoro and eight other refineries across the country to protest safety conditions, health care costs and the use of outside contractors for maintenance.  
 
BART
Bay Area Rapid Transit District plans to put 10 test cars in service in late 2016, and all 775 new cars in 2021.  
 
The ambulance contract for American Medical Response, which has served the county's emergency calls for decades, expires at the end of the year, and the bidding process opened Friday for a new pact.  
 
Police are investigating what led a man to stab an 18-year-old Wednesday multiple times on Willow Pass Road near Sixth Street.  
 
Other goals: Strengthening ties with Todos Santos Plaza, increasing bike storage  
 
After Sunday, guided mine tours will be available on weekends by advance reservation for a fee of $5 per person. And starting Sunday, the nearby underground Greathouse Visitor Center will be open from 10 a.m. to 4:30 p.m. on weekends.  
 
Contra Costa Fire District officials defended their agency's response this week after the family of a 14-year-old boy who died after being struck by a car said it had taken too long for the teen to be taken to a hospital, a trip that was further delayed by foggy skies and morning commute traffic.  
 
After Sunday, guided mine tours will be available on weekends by advance reservation for a fee of $5 per person. And starting Sunday, the nearby underground Greathouse Visitor Center will be open from 10 a.m. to 4:30 p.m. on weekends.