Here’s what I’m reading up on today:

• Hamas executes 18 suspected informants. 

• A Russian aid envoy crosses into Ukraine without Kiev’s approval, prompting calls that it’s an invasion.

• The National Guard leaves Ferguson as smaller protests continue.  

• Two firefighters are hospitalized–one in critical condition–after an ice bucket challenge goes wrong. 

• Jell-O sales have fallen nearly 20 percent over the last four years. 

• Researchers prove how easy it is to hack Gmail and other apps on smartphones. 

• Mariah Carey and Nick Cannon appear to be headed to divorce. 

• Tim Howard is taking a year-long break from international football. 

• Nigeria reports two new cases of Ebola, as the WHO sets out a road map to combat the virus.