The Government declared April 13 a day of morning in Moldova for the Polish President Lech Kaczynski and other top officials who were killed in a plane crash in Russia last weekend, the executive's press service informs, quoted by Info-Prim Neo. The national flag will be flown at half mast in all the settlements of Moldova and in the Moldovan embassies and consular offices abroad. A moment of silence in honor of those who have died will be held at 10.00. The Government recommended the public authorities and companies not to carry out recreational activities, while the mass media organizations – to take into account the specific features of this day when compiling the publications and the programs broadcast. Prime Minister Vlad Filat said Poland is a sincere friend of Moldova and the tragedy of the Polish people is Moldovan people's as well. The Polish president, Lech Kaczynski, and his wife were among 96 people killed when their plane crashed in thick fog on its approach to a regional airport in Russia on April 10. Kaczynski was visiting Smolensk to commemorate the 70th anniversary of the Katyn massacre, which took place in forests outside the town.