Mostly potassium salt, although with some other recipe changes to account for the different flavor.
The good news is that potassium is well understood nutritionally. Most Americans do not get enough of it. To a first approximation, it is anti-sodium health wise, so it is a double win in that it both reduces sodium intake, and counters the effect of a still high sodium intake.
India has a population of 1.4 billion people. There being 3 horrific stories within a day does not say much. You seeing 3 such stories says more about your media than India.