Volunteers in the Polish town of Nysa made flood walls to stem swollen rivers on Tuesday after heavy rain and flooding round central Europe that has killed at least 18 people.
Rivers were still spilling banks in the Czech Republic, while the River Danube was rising in Slovakia and Hungary, and flooding has also affected Austria.
The Czech-Polish border areas are among the worst-hit since the weekend, as gushing, debris-filled rivers devastated some towns, collapsing or damaging bridges and destroying houses.
Poland has declared a state of disaster in the area and set aside 1 billion zlotys (AED 954 million) for flood victims.
Overnight, volunteers helped rescue workers heave sandbags to build up the broken embankment around Nysa, a town of 40,000 in southern Poland.
Some residents were looking to check homes after evacuations were called on Monday.
National fire chief Mariusz Feltynowski said on Tuesday in meetings with Prime Minister Donald Tusk in the city of Wroclaw that the Nysa embankment was sealed, with military helicopters joining the operation to drop sandbags.
Syrian troops entered the predominantly Druze city of Sweida on Tuesday following two days of clashes, the first time government forces have deployed to the city since Ahmed al-Sharaa took over as President in December.
NASA retiree turned private astronaut Peggy Whitson splashed down safely in the Pacific early on Tuesday after her fifth trip to the International Space Station, joined by crewmates from India, Poland and Hungary returning from their countries' first ISS mission.
US President Donald Trump announced new weapons for Ukraine on Monday, and threatened sanctions on buyers of Russian exports unless Russia agrees a peace deal, a major policy shift brought on by frustration with Moscow's ongoing attacks on its neighbour.
India has ordered its airlines to examine fuel switches on several Boeing models, while South Korea said it would order a similar measure, as scrutiny intensified of fuel switch locks at the centre of an investigation into a deadly Air India crash.
US President Donald Trump said he will send Patriot air defence missiles to Ukraine, saying they are necessary to defend the country because Russian leader Vladimir Putin "talks nice but then he bombs everybody in the evening".