WARSAW, June 2 - The following are significant news stories, press reports and events on Tuesday. ALL TIMES GMT (Poland: GMT + 2 hours):

INTEREST RATES

On Tuesday, the Monetary Policy Council (MPC) will announce its decision on interest rates in Poland. Analysts polled by Reuters expect them to remain unchanged.

ATTACK ON UKRAINE

Poland's military reported that NATO fighter jets were scrambled overnight in response to Russian air activity in Ukraine. No violations of Polish airspace were reported, and the planes returned to their bases early in the morning, the Polish Press Agency (PAP) reported.

DEBT REPORT

Poland may soon be forced to "tighten its belt" due to exceeding national public debt prudential thresholds, and the next government will have to implement unpopular reforms, Rzeczpospolita reported, citing a report prepared by experts entitled "Threats of Excessive Public Debt."

MIGRATION REPORT

Sustaining Poland's current economic growth will likely require continued reliance on foreign workers, Rzeczpospolita reported, quoting Jacek Kucharczyk, co-author of the "Migration in Poland" report.

****Reuters has not verified stories reported by Polish media and does not vouch for their accuracy.****

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