From ukraine, both in a positive and also in the negative manner. reporter: early in his ukraine war, vladimir putin publicly put russia s nuclear weapons on alert, a thinly veiled threat to the west. probably that the china will bring in the kind of advantage of the nuclear threats in the early phase of the scenario. that will potentially, i think, change the calculation of the washington, d.c. reporter: as a warning to the u.s., china s foreign ministry declared this week that no force in the world can stop china from achieving reunification with taiwan. ivan watson, cnn, hong kong. a tragic scene coming out of western senegal. 11 newborn babies dead in a fire at a neonatal unit at a hospital. the country s health minister says the fire may have come from an electrical short circuit. hospital staff tried to