Shuvalov has told ministers to assume sanctions will be lifted by the end of 2017.
Ahead of sanctions review in June, minister says Libya must be considered as equal a threat to Ukraine.
Since plans for another round of peace talks last week were abandoned, fighting has flared up again in Ukraine.
Villas, bank accounts and property belonging to presumed allies of Vladimir Putin have been seized by the Italian government
In Mariupol, Poroshenko promised 'crushing defeat' to Russian separatists if they violate ceasefire agreement