Shoppers urged to be extra vigilant at Mall of America

Washington

THE United States' top homeland security official urged shoppers on Sunday to be "particularly careful" in visiting the Mall of America, a sprawling shopping centre outside Minneapolis, after it was targeted for a terrorist attack in a video posted by a radical Islamist group.

"If anyone is planning to go to the Mall of America today, they have got to be particularly careful," Jeh Johnson, the secretary of Homeland Security, said on CNN.

"There will be enhanced security there," Mr Johnson said, "but public vigilance, public awareness and public caution in situations like this is particularly impor…