The US on Monday issued a travel alert for its citizens visiting Bangladesh, India, and Pakistan, and said US citizens should totally avoid travel to Afganistan.
"The US government assesses terrorist groups in South Asia may be planning attacks in the region, possibly against US facilities, citizens, and interests. US citizens should avoid travel to Afghanistan, as no region in the country is immune from violence," the State Department said in its worldwide caution.
"A number of established terrorist organizations, indigenous sectarian groups, and other militants pose a danger to US citizens in Pakistan.
"Extremist elements are also active in India, as outlined in a recent emergency message.Terrorists have hit a wide variety of targets and institutions in Bangladesh," it added.