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.
US Secretary of State Marco Rubio said on Thursday that the United States remains prepared to play a "constructive role" in helping bring an end to the war in Ukraine, following talks with Russian Foreign Minister Sergei Lavrov on the sidelines of an ASEAN gathering in Manila.
Indian Prime Minister Narendra Modi said on Thursday that "fast-track" courts would be set up to prosecute those behind exam paper leaks, his first public response after days of youth protests demanding the resignation of the education minister.
The US House of Representatives narrowly passed its version of a massive defence policy bill, despite Democrats' concerns about its huge price tag, the Iran war and a provision that would boost Pentagon ties to Israel.
At least seven more bodies were recovered from the tunnel of an under-construction hydroelectric project in India's northeastern state of Sikkim, the state government said on Thursday, bringing the death toll from a blast to 22.