Jill Biden made an unannounced visit to western Ukraine on Sunday, holding a surprise Mother’s Day meeting with first lady Olena Zelenska.

The European Union on Monday ratcheted up the pressure on Belarus by agreeing to slap sanctions on airlines accused of helping Belarus President Alexander Lukashenko wage a “hybrid attack” against the bloc.

The day Russian President Vladimir Putin ordered his nuclear forces placed on high alert late last month was a big one for some parents with inquisitive kids.