By Anne Kauranen, Essi Lehto and Andreas Rinke HELSINKI (Reuters) -NATO countries will deploy frigates, patrol aircraft and naval drones in the Baltic Sea to help protect critical infrastructure and reserve the right to take action against ships suspected of posing a security threat,

NATO Secretary-General Mark Rutte says the alliance is launching a new mission to protect undersea cables in the Baltic Sea region

Security in the Baltic Sea will be strengthened through increased Nato presence, a decision announced after a meeting of Nato member states in Helsinki on Tuesday.