Explainer-US-Iran ceasefire: what we know

WASHINGTON, April 8 (Reuters) - Here is what we know following Tuesday evening's dramatic reversal by U.S. President Donald Trump of his threats to attack Iran's civilian infrastructure.IS THERE ACTUALLY A CEASEFIRE?It's unclear.Iran and the U.S. agreed on Tuesday to a two-week ceasefire brokered by Pakistan, but fighting was still taking place on Wednesday.Israel launched its biggest attacks yet on Lebanon, targeting the Iran-backed Hezbollah militia, destroying buildings and killing dozens of people without warning, according to Lebanese authorities.