Tens of thousands of people across several cities in Europe and Asia took to the streets to express their solidarity with the Black Lives Matter movement in the US.
Large protests were held in London despite government advice to avoid gatherings due to the risk of coronavirus.
The largely peaceful protests saw people holding placards reading "Black Lives Matter" outside the parliament.
Meanwhile, in the German city of Hamburg, police used pepper spray to disperse large crowds gathered in honour of George Floyd.
Protestors in Paris were also seen ignoring government order to ban demonstrations and gathering at the Place de la Concorde, close to the Embassy.
Protests were also held in Warsaw, Berlin, Brisbane, Sydney, Tokyo, Seoul and Bangkok.
In the US, protestors gathered across several cities for the 12th straight day to demand an end to police brutality and racism.
Thousands of people gathered in Bangladesh's capital Dhaka on Tuesday to mark the first anniversary of mass protests that toppled Sheikh Hasina, as the interim government unveiled a road map for democratic reform with a national election next year.
Israel says it will allow gradual and controlled entry of goods to Gaza through local merchants, an Israeli military agency that coordinates aid said on Tuesday, as global monitors say famine is unfolding in the enclave, impacting the hostages Hamas holds.
Surging floodwaters and a torrent of mud swept through a village in the northern Indian Himalayan state of Uttarakhand, killing at least four people while more than 50 others were missing, authorities and local TV channels said on Tuesday.
Japan recorded its highest-ever temperature of 41.8 degrees Celsius on Tuesday, prompting the government to advise residents to stay indoors and promise steps to ease weather-related damage to rice crops.
Israeli Prime Minister Benjamin Netanyahu will convene his security cabinet this week to decide on the country's next steps in Gaza following the collapse of indirect ceasefire talks with Hamas.