Welcome back to World Brief, where we’re looking at crumbling India-Pakistan relations, a car bombing in Russia, and peace talks between Rwanda and the Democratic Republic of the Congo.

Indian and Pakistani troops exchanged gunfire for a second straight day on Saturday as ties plummeted between the two nuclear-armed neighbours after an attack on tourists blamed on Pakistani militants killed 26 in India's Kashmir region.

A day after the U.N. appealed for restraint following Tuesday's deadly attack in Indian-administered Kashmir, India reported an exchange of fire across the de facto border in the disputed region.