About a mile away from the start of the march, about 1,000 people lined the streets to watch the remembrance events at the Cenotaph war memorial.
Among the crowd, some right-wing counter-protesters opposed to the pro-Palestinian march chanted messages including "We want out country back".
DISRESPECTFULSunak has criticised the pro-Palestinian rally as disrespectful amid concerns it could spark violence.
There has been strong support and sympathy for Israel from Western governments, including Britain's, and many citizens over the Hamas attacks.
But the Israeli response has also prompted anger, with weekly protests in London demanding a ceasefire.
Persons:
Hollie Adams, Laurence Taylor, Rishi Sunak, Sunak, Suella Braverman, Taylor, I've, Michael Holden, Hannah McKay, Sarah Young, Ed Osmond, Helen Popper Our
Organizations:
Hamas, REUTERS, Government, Cenotaph . Police, Charing, Palestine Solidarity Campaign, PSC, U.S, Embassy, Thomson
Locations:
Gaza, Israel, Palestinian, London, Britain, Palestine, Waterloo, Victoria, Downing, Western