Barricaded gunman causes tweet-storm in ritzy neighborhood

"GUYS I PICKED A REALLY BAD NIGHT TO FLY BACK FROM AFRICA AND TAKE AN AMBIEN BEFORE BED," wrote Nathan C. Hubbard, who oversees global media and commerce at Twitter.

The pursuit started about 2 a.m. Monday and ended soon when the car crashed into a parked car and the driver got out, fired shots and ran into the garage.