Top headlines in major S. Korean newspapers

SEOUL, June 22 (Yonhap) -- The following are the top headlines in major South Korean newspapers on June 22.

Korean-language dailies
-- Putin warns it will be 'big mistake' after S. Korea speaks of possible arms supply to Ukraine (Kookmin Daily)
-- Putin warns it will be 'big mistake' as S. Korea signals possible arms supply to Ukraine (Donga Ilbo)
-- Putin threatens it will be 'big mistake' if S. Korea supplies lethal weapons to Ukraine (Chosun Ilbo)
-- Medical professors at Seoul Nat'l Univ. hospitals to end indefinite walkout (JoongAng Ilbo)
-- S. Korea-Russia ties in downward spiral as Putin threatens S. Korea not to make mistake in its support for Ukraine (Hankyoreh)
-- Parliament hearing over Marine's death in limbo as witnesses refuse to take oath, or answer (Hankook Ilbo)
-- Chinese EV makers launch premium models in S. Korea (Maeil Business Newspaper)
-- Slow IPO review process put bio companies under pressure over liquidity (Korea Economic Daily)
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