NATO today asked Pakistan to reopen the key supply route for coalition troops in Afghanistan. NATO chief Anders Fogh Rasmussen conveyed the message to Pakistan Foreign Minister Shah Mehmood Qureshi during a meeting in Brussels. He also expressed regret for the deaths of three Pakistani soldiers during NATO's cross border raid on Thursday. But Islamabad said it cannot do so unless the reaction cools down in the country. Pakistan blocked a land route for NATO convoys carrying supplies to Afghanistan since that day after officials blamed NATO attack for the deaths of three Pakistani soldiers.Pakistan had already lodged a strong protest with NATO over border violations and the Ambassador of Pakistan in Brussels handed over demarche to the Deputy Secretary General, NATO on 1st of October .