STOCKHOLM/AMSTERDAM/BERLIN/VIENNAProtests erupted Saturday in European cities, including Stockholm, Amsterdam, Berlin and Vienna, as thousands took to the streets to denounce Israel’s actions in the Gaza Strip and demand lasting change following the announcement of a ceasefire between Israel and Hamas.The demonstrations came after 15 months of Israeli attacks on Gaza that left the region in ruins. Experts warned of immense challenges in Gaza’s reconstruction even as the deal brings a reprieve.Protesters emphasized the need for long-term solutions, including the lifting of a blockade, the end of occupation and global accountability for human rights violations.Stockholm: Calls for sanctions and accountabilityIn Stockholm,