So far there is no evidence to show that the pilot was trying to land the president's plane under pressure, said a senior Polish official?in Warsaw?Monday.

Andrzej Seremet, Poland's chief prosecutor, made the remarks at a news conference while being asked whether the Polish pilot was pressured to land the plane carrying President Lech Kaczynski and other senior officials in Russia.

The Soviet-made TU-154 hit the top of trees as it attempted in thick fog to land at a Smolensk airport in west Russia on Saturday morning, killing all the 96 people on board the plane.