6 NATO countries are planning to build a 'drone wall' to defend themselves against Russia, reports say

• Six NATO countries are planning a "drone wall" to defend against Russia.
• Finland, Norway, Poland, and the Baltic states want to prevent smuggling and Russian provocations.
• Further details on when such a system could be in place and how it would work are unclear.

Six NATO countries are joining forces to create a "drone wall" to defend themselves against Russia.