Thousands gathered in downtown San Antonio for a peaceful but defiant “No Kings” protest against Trump and ICE, as chants, bold signs and a credible threat underscored rising political tension.

The search for those swept away by punishing flash floods in Central Texas over the holiday took on new urgency Sunday.

Voters will also settle Democratic primaries for mayor in Buffalo, Rochester, and Syracuse, and decide San Antonio’s next mayor in what has effectively become a runoff between the two parties. Below, ...