An officer said the advice was given during briefings for the internal Not In My Met campaign, an initiative to drive out unacceptable behaviour.
The visit was a show of defiance by Mr Putin, two days after the International Criminal Court issued a warrant for his arrest on war crimes charges.
Russia annexed Crimea from Ukraine in 2014, a move that most of the world considered illegal.
The head of the Kyiv city administration, Serhii Popko, said Ukrainian air defences shot down all drones heading for the Ukrainian capital.
Website The Undeniable Street View was launched on the one-year anniversary of Russia invading Ukraine.
The Kremlin said the incident proved direct US involvement in the Ukraine conflict while US officials said it showed Russia’s aggressive behaviour.
Bakhmut is a key target of Moscow’s campaign in eastern Ukraine, which has resulted in staggering casualties.
The missile barrage hit as Russia pushed its advance in Ukraine’s eastern stronghold of Bakhmut.
Ukrainian officials said residential buildings were hit but did not immediately say if there were casualties.
It comes a week after it was suggested Ukraine could retreat from Bakhmut.
At least five political parties are challenging last month’s vote.
Kristofer Thomas Kearney, 38, was allegedly a fitness guru for the group.
Recent drone footage shows the scale of devastation in the city, while Volodymyr Zelensky has described it as “destroyed”.
The announcement will likely to lead to a court challenge by his main opponents Atiku Abubakar and Peter Obi.
The three main opposition parties said the election was an insult to democracy and called for Nigeria’s election chief to resign.
