US President Donald Trump said here on Wednesday that a ceasefire between Iran and Israel is going "very good," following days of intense military escalation between the two foes.

According to Trump, Iran will initiate the ceasefire, followed by Israel 12 hours later, culminating in an official declaration of the war's end at the 24-hour mark.

UNITED NATIONS, June 24 (Xinhua) -- UN Secretary-General Antonio Guterres on Tuesday welcomed U.S. President Donald Trump's announcement of a ceasefire between Israel and Iran, said a UN spokesman.