With the building of a southern branch of the CER (later the South Manchuria Railway), Mukden (now known as Shenyang) became a Russian stronghold.

The invasion concluded with the full occupation of Manchuria by Russia, causing tensions that led to the Russo-Japanese War.

Imperial edicts were posted which called for attacks against the Russians, the stations of the South Manchuria Railway came under Boxer control.

With the building of the South Manchuria Railway, Mukden became a Russian stronghold, which occupied it after the Boxer Rebellion.

When the Russians seized the city, a number of Boxers and Chinese Imperial troops managed to pull off an evacuation.

Even before the Boxer rising against foreign influence, an outpost of Russian troops had been located across the Chinese border near the village of Pai-t'ou-tzu, which lay close to Liaoyang.

When hostilities began, the Chinese authorities advanced a guarantee of safe passage in exchange for his retreat to the south of Liaoyang.

Chinese regular infantry armed with rifles advanced, crawling under cover artillery fire towards the Russian defense perimeter of about 350 square feet.

On July 20, Russian forces (including 16 infantry companies, a hundred Cossacks and 16 cannons) crossed the Amur near Blagoveshchensk with support from the steamers Selenga and Sungari.

After the victory over the Chinese forces, the general-governor of Amur Region, Nikolai Grodekov, decided to annex the right bank of the Amur River, and sent a telegram to St. Peterburg, but Russian Minister of War Aleksey Kuropatkin forbade such an action:Because of restoring the good relation with China in the nearest future, His Majesty decided not to annex any part of China[citation needed] The Crushing of Boxers in Northern and Central Manchuria was the invasion of the 100,000 strong Russian Army of Manchuria.

On June 29 (1900), the first Russian force—two rifle regiments and some Cossacks from Khabarovsk—crossed the Chinese border, followed by units from Blagoveshchensk, Nikolsk-Ussuriski, and other towns.

Lieutenant General Nikolai Linevich, for example, gave orders to destroy towns and execute Chinese in retaliation for attacks on the Russian railway in Manchuria.

"[25] When thousands of Manchus fled south from Aigun during the fighting in 1900, their cattle and horses were stolen by Russian Cossacks who then burned their villages and homes to ashes.

[27] Much of the fighting in the Boxer Rebellion against the foreigners in defense of Beijing and Manchuria was done by Manchu Banner armies, which were destroyed while resisting the invasion.

Baron von Ketteler, the German diplomat was murdered by Captain Enhai, a Manchu from the Tiger Spirit Division of Aisin Gioro Zaiyi, Prince Duan and the Inner city Legation Quarters and Catholic cathedral were both attacked by Manchu bannermen.

[30] There were 1,266 households including 900 Daurs and 4,500 Manchus in Sixty-Four Villages East of the River and Blagoveshchensk until the 1900 Amur anti-Chinese pogroms committed by Russian Cossack soldiers.

[33][34] The Honghuzi continued to plague Manchuria despite multiple attempts aiming for their eradication and mass killings directed at them by Cossack forces.

[citation needed] Japan was angered that Russia had not withdrawn according to the treaty it signed in the Boxer Protocol in which it promised to withdraw from Manchuria.