Israel and Iran launched fresh attacks on each other overnight into Sunday, as U.S. President Donald Trump said the conflict could be easily ended while warning Tehran not to strike any U.S. targets.

Israel and Iran launched fresh attacks on each other late on Saturday, stoking fears of a wider conflict after Israel expanded its surprise campaign against its main rival with a strike on the world's biggest gas field.

The Iranian and Israeli strikes mark the most sustained, direct attacks ever between the two rivals. Three people were killed in Israel and at least 78 in Iran, officials said.

United Food and Commercial Workers Local 7 announced Saturday that, unlike the February strike by King Soopers workers, the Safeway/Albertsons walkout will begin on a more limited scale.

With the clock winding down toward Saturday night's deadline for new contract negotiations, a Colorado union has announced locations where grocery employees are set to walk off the job on Sunday in protest.

Strikes only happen when companies push workers past the point of no return. No worker wants to give up a paycheck in order to get the raise and benefits they feel they deserve. In many cases, even when management and labor negotiate a favorable deal,