Led by Trotsky, the Military Revolutionary Committee was able to secure the support of the Petrograd Garrison and the Kronstadt sailors.
On 24th October, Prime Minister Kerensky tried to limit Bolshevik influence. He ordered the arrest of many of their leaders. In response, the Military Revolutionary Committee decided to take action.
The Red Guards and Kronstadt sailors gained control of key infrastructure in the city. On the night of the 25th, they moved against the Provisional Government.
The Winter Palace was surrounded by the Petrograd garrison, supported by the Kronstadt sailors who had arrived on board the Aurora battleship.
The Provisional Government members were arrested on the 26th October after the Winter Palace was stormed by Red Guards.