Siege Points News Today

Tai hernandez in for diana perez. >> im john muller. were going to begin this hour with stepped up security at home because of terror threats overseas. theres an increased police presence at airports, train stations and other public venues. >> 22 embassies and consulates will remain shut until the end of the week because of the threat which is described as strategically significant. abcs devon dwyer has the latest. good morning now, devon. >> reporter: hi, john, tai. so far, no signs of trouble ...