BlackBerry outage spreads to North America on Wednesday morning . Note : There was ` ` extremely critical issue '' on BlackBerry hardware . Microsoft says it is working ` ` around the clock '' on a fix . Customers say the problem has affected business and personal lives .
BlackBerry outage spreads to North America on Wednesday morning . Maker : Cause was `` extremely critical issue '' on BlackBerry network . Company says it is working `` around the clock '' on a fix . Customers say the outage has disrupted business and personal lives .