Guwahati, June 24 -- By NE NOW NEWS

Guwahati: Assam has been placed on heightened alert after flash floods triggered by heavy rainfall in Arunachal Pradesh's Lower Subansiri district raised concerns over rising water levels in the Brahmaputra and its tributaries over the next 24 to 48 hours.

According to an official statement issued on Wednesday, heavy rainfall in the upper catchments and increased river discharge are expected to cause a significant rise in water levels and flow velocity downstream. The flood wave is likely to first affect Dhemaji, Lakhimpur, Biswanath and Sonitpur districts before moving further downstream and eventually reaching Dhubri over the next two days.

Following directions from Chief Minister Himanta Biswa Sar...