(CNN) -- International pressure is mounting on Israel and the Palestinians to halt violence in Gaza, with the United States, the United Nations, the European Union and other countries all calling for an immediate restoration of calm. Protesters knock down barriers near the Israeli Embassy during a demonstration in central London. Angry protests also took place in several cities around the world on Sunday against Israel after its air strikes in Gaza killed at least 270 people and wounded hundreds more. In London, hundreds of demonstrators battled riot police in an attempt to enter the Israeli Embassy, according to media reports.
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International pressure grows on Israel and Palestinians to end violence in Gaza
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U.S., U.N., EU and other countries call for immediate restoration of calm
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Angry protests in several cities around the world on Sunday against Israel
The @placeholder has warned Israel, however, to avoid civilian casualties.