WASHINGTON, June 24 — United States President Donald Trump said today a ceasefire between Israel and Iran is now in place and asked both sides not to break it, raising hopes of an end to the 12-day war even as deadly attacks were reported in both countries.

MOSCOW, June 23 — Russian President Vladimir Putin said today that “unjustified” attacks by the United States on Iran’s nuclear sites were pushing the world towards great danger and promised to try to help the people of the Islamic Republic, though he gave no specifics.