Original: McDonald 's massacre in San Ysidro , California : in a fast-food restaurant , James Oliver Huberty opens fire , killing 21 people and injuring 19 others before being shot dead by police .
Simplified: McDonald 's massacre in San Ysidro , California : In a fast-food restaurant , James Oliver Huberty kills 21 people and injures 19 others before being shot dead by police .