The U.S. Embassy in Kabul warned Americans in Afghanistan on Monday about "credible reports of an imminent attack" on the country's capital in the next 48 hours and urged that they "exercise extreme caution if moving around the city," NBC News reported.
The embassy said in a statement entitled, "Emergency Message for U.S. Citizens," that it had "received credible reports of an imminent attack" but added there were "no further details regarding the targets, timing, or method."
However, a security source within the embassy said the attack "may involve multiple assailants and car bombs" and was "classified as credible."
The warning came two days after a suicide bomber unsuccessfully targeted a senior member of Afghanistan's election commission during the morning rush hour in Kabul, Reuters reported.
