An indefinite blockade on Nepal's India border for more than one month enforced by agitating ethic Madhesi and Tharu groups has pushed the Himalayan nation into a major medical crisis.

Public areas of Brussels including metro stations were closed on Saturday after the Belgian authorities raised the ‘terror’ alert status in the capital to its highest level. People have been advised to avoid crowded areas because of a "serious and imminent threat," according to a government spokesperson.