Alleging that medical supplies, including Covid-19 test kits, were being blocked from entering the state from neighbouring Assam due to the imposition of a "blockade" there, Mizoram Health Minister Dr R Lalthangliana on Monday wrote to the Centre urging it to intervene for lifting the purported restriction. A police officer in Vairengte, the gateway to Mizoram along National Highway-306, told …