With Russian troops launching an offensive against Ukraine, senior Congress leader Shashi Tharoor on Thursday said however much one appreciates Moscow's legitimate security concerns, resort to war is impossible to accept or justify, and India should demand that Russians "stop".

Tharoor also slammed Pakistan Prime Minister Imran Khan over his visit to Russia amid the developments and cited the example of Atal Bihari Vajpayee, who in 1979 as the then foreign minister had cut short his visit to China when Beijing attacked Vietnam.