MOSCOW, June 30 -- Russia's foreign ministry condemned NATO's plans to develop advanced weapons for Ukraine as "recklessly aggressive" on Monday, and warned that the enterprises building those arms could draw heavier Russian fire, hardening Moscow's tone only weeks before the alliance gathers for a summit expected to center on rearming Europe.

The statement came from Maria Zakharova, the ministry's spokeswoman, who argued that the drive to equip Kyiv hands the Russian military fresh justification to widen its target list. She said the "recklessly aggressive" conduct of what she called the Ukrainian-NATO alliance gave Russian forces "additional grounds" to pay closer attention to any company involved in developing or producing weapons use...