Protests resurge across U.S. as clashes continue in Portland

Protests resurged across the United States over the weekend, with clashes between activists and authorities erupting in major cities amid continuing unrest in Portland, Ore.

Here are some significant developments:

• Police and protesters clashed in major cities, including Seattle and Los Angeles, on Saturday night.
• A Black Lives Matter demonstrator in Austin was shot and killed.
• A group of African American mayors has laid out a plan for overhauling police practices that avoids defunding departments.