To help you Americans out with the reporting...
When in Britain we say ‘Asian’ we tend to mean the Pakistan/Indian side of the continent. (We call what you call Asians ‘Orientals’).
In terms of Glasgow as a target note that the Scottish Parliament was today being formally opened by the Queen - putting Scotland on the Map.
It may just be an auto accident but from the little I have read odds are now that it is not.
After two useless bombs in London and now this I can only thank God that if we have to have terrorists in the UK at least they are inept! (touch wood)