A total of 97 people died when a plane carrying...
The ministry spokesperson also said that 8 of the dead were crew members.
In earlier reports, it was said that some 132 people were on board the plane.
Kaczynski was on his way to a ceremony in nearby Katyn to commemorate the memory of some 20,000 Polish officers killed by Soviet secret police during World War Two. The Soviet-made Tu-154 hit trees as it approached Smolensk airport in thick fog.
Russia"s Rossiya-24 television aired footage of the crash scene, showing wreckage of the plane scattered across a field with the plane"s wing sticking up.
The delegation also included the chief of the armed forces general staff and central bank head.
Investigation
The Russian Prosecutor General"s investigations committee has opened an investigation into the crash.
"The investigation is looking into various theories...including unfavorable weather, human error, and technical malfunctions," it said in a statement.