WARSAW, May 18 (Xinhua) -- Polish national air carrier LOT announced on Monday that it will resume some of its domestic flights on June 1, as COVID-19 situation was easing in the country.

LOT will resume flights from Warsaw to other major Polish cities, as well as a flight between Krakow and Gdansk. The schedule allows for 30 flights a day.

The airline said in a statement that the resumed flights will constitute the first phase of its planned reopening.

"Our plan includes several stages for the coming months, which will be dependent on the epidemiological situation in Poland and across the world," it said.

The airline has ceased all passenger flights since March 15 due to the COVID-19 pandemic.

The number of confirmed coronavirus cases has risen further to 18,885 cases, according to the Polish Health Ministry. The number of the deaths rose to 936 as of Monday evening.