Afghanistan's former president Hamid Karzai, Foreign Minister Salahuddin Rabbani, and former presidential adviser Hanif Atmar also took part in the rally.
One person died and 17 were injured as a result of mortar shelling in Kabul, 1TV reported, citing data from the Ministry of Health.
One of Afghanistan's presidential candidate was injured as a result of an attack in Kabul, the TV channel 1TV reported.
Daesh* terrorist group claimed responsibility for the mortar shelling in Kabul, according to 1TV channel.
"We have reports of explosions in the western part of Kabul. Investigations have been launched," said Nasrat Rahimi, a spokesman at the interior ministry.
Several thousand people had gathered at the stadium and the rally was broadcasted live; however, the broadcast was interrupted after the explosions.
In January, at least four people were killed and another 44 were wounded in a bomb explosion in the Green Village area of Kabul.
*Daesh (also known as ISIS/ISIL/IS) is a terrorist group banned in Russia