Five things to know Wednesday, April 6:

1. Wisconsin voters in both parties tried to further shake up the race for president. [Jamie Dupree has the results from yesterday's voting, and what they mean]

2. Firefighters found an unexplained quantity of flammable liquid or gas at the scene of a suspicious fire where an Atlanta doctor was found dead. [Lauren Foreman and Craig Schneider have more on this story]

3. Georgia's roadside assistance program to expand statewide. [Andria Simmons tells you how in her commuting blog]

4. Police say an argument over taxes led a Gwinnett County man to kill his stepdaughter. [Ellen Eldridge brings you that story]

5. Expect rain, maybe severe storms, tonight. [Lauren Foreman tells you how that affects temperatures | your Atlanta weather forecast]