Following is a summary of an article in The Australian:
Traveling cyclists from the US and and Europe were killed and others were injured when they were attacked by ISIS militants in Tajikistan, where they were rammed by a car and then attacked by a gang armed with guns and knives. Four people were killed and three others were injured.
Jay Austin and Lauren Geoghegan, who were killed in the attack, were a couple from the US who were on a trek bicycling around the world that they were documenting on their blog SimplyCycling.org. Jay Austin was a “tiny house” aficionado who was featured in a 2015 Washington Post article as well as being featured in an online documentary.
Rene Wokke, a psychologist from the Netherlands, was killed, and his partner Kim Postma, a hospital administrator, was also injured in the attack. Wokke was maintaining a blog of their journey as well.
Also Swiss cyclist Markus Hummel, who was killed, kept a blog of his journey with another Swiss national, Marie-Claire Diemand, who was injured in the attack.