Ukraine's domestic intelligence service, the SBU, reports that the March 2017 explosions at Balakliia military base in Eastern Ukraine were caused by a drone carrying a ZMG-1 thermite grenade. The explosions resulted in 1 death and 5 injuries. (Popular Mechanics)
A new study, published in the The BMJ medical journal, finds that electronic cigarettes may help smokers stop their habit. The researchers found that a substantial increase in e-cigarette use among American adult smokers was associated with a statistically significant increase in the smoking cessation rate. (ABC News)(The BMJ)
At least three protesters are killed across the country amid clashes with police as a two-day national strike called by the opposition begins. (Al Jazeera)