A six-year-old child reported being struck in the forehead, while two other children said bullets were fired at them, but did not hit. Israel Police have detained an 18-year-old for questioning over a complaint filed on Tuesday morning about a person who fired rubber bullets at a kindergarten in Ashkelon from a suspicious vehicle.

Scientists created virtual replicas of patients’ diseased hearts so precise that blocking a dangerous irregular heartbeat in these digital “twins” showed doctors how to better treat the real thing. One of the first clinical trials of these custom models suggests it might improve care for ventricular tachycardia, a notoriously difficult-to-treat arrhythmia that is a major cause of sudden cardiac arrest, blamed for about 300,000 U.S. deaths a year. The study, by researchers at Johns Hopkins Univ

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