Here are five things you need to know tonight:

1. Georgia Secretary of State Brian Kemp and the GBI opened an investigation Thursday into alleged voting irregularities – including a stray voting machine memory card – in the referendum that narrowly defeated the proposed city of LaVista Hills. [Read more]

2. Henry County police are looking for a man who they suspect raped a 66-year-old woman in her Ellenwood home in July and again in October. [Read more]

3. In a filing with the Securities and Exchange Commission, Liberty Media said the Braves' revenue dropped $16 million this year through Sept. 30 "primarily due to lower game attendance and decreased concession sales." [Read more]

4. Looking for weekend plans? Callaway Gardens will admit all guests for free on Cason J. Callaway's birthday on Friday. [Here are three more things to do in metro Atlanta this weekend]

5. Tonight's forecast: Cloudy this evening with showers after midnight and a low of 62. [See the complete forecast]