Brussels, Dec. 2 -- The NATO should consider adopting a more assertive posture towards Russia as the bloc grapples with what it views as escalating "hybrid warfare", the alliance's top military official Admiral Giuseppe Cavo Dragone, chair of the NATO Military Committee, told the Financial Times.

Speaking to the outlet on Sunday, he said that member states were examining options that would shift the alliance from a reactive to a more proactive footing.

"We are studying everything . being more aggressive or being proactive instead of reactive is something that we are thinking about," Dragone said, adding that even a "pre-emptive strike" could be framed as a defensive measure, though he acknowledged such a step would represent a significant...