"As the president said, reduce these barriers, in fact go to zero, zero tariffs, zero non-tariff barriers, zero subsidies, and along the way we're going to have to clean up the worldwide trading system".
The measure hits European Union trading partners even though the main target is overcapacity at state-backed Chinese producers, who Europe and the USA have long complained have flooded markets with cheap steel.
RASCOE: President Trump says he's optimistic heading into the summit.
Asked Saturday about his meetings with other world leaders, Trump sought however to downplay the tension.
"I'm happy to announce that we've released a joint communique by all seven countries", Trudeau said. Canadian Prime Minister Justin Trudeau and French President Emmanuel strongly pushed back on these attacks, per reports.
"If they retaliate, they're making a mistake", he added.
"We stand by the commitments made in the G7 communique", a senior United Kingdom government source said.
Trump has also caused concern among his party and even within his administration in seeking to fix US relations with the Kremlin.
MORE rebuked Canadian Prime Minister Justin Trudeau on Saturday, saying that the USA will not endorse a joint communique signed with the other Group of Seven (G-7) members at this weekend's summit and seemingly threatening to impose further tariffs on the country. "It was a hard time, rough, very frank".
"Ultimately that's what you want, you want tariff free, no barriers, and you want no subsides because you have some countries subsidizing industries and that's not fair", Trump said.
Mrs Merkel's March 2017 visit to the White House was marked by Mr Trump either not hearing or ignoring her offer to shake hands in the Oval Office.
UN says world choking on plastic as environmental crisis grows
India is preparing to join the "Clean Seas Campaign" and make its contribution towards saving our oceans", said Modi. In fact, micro-plastics have now even entered basic food like salt, bottled water and tap water...
One such moment that captured the tense atmosphere regarding recent U.S. policies was shared by the official Instagram account of the German Chancellor Angela Merkel.
Trump was the last G7 leader to arrive and on Saturday, he will probably be the first to leave, in a hurry to move on to his nuclear summit with North Korea's Kim Jong Un in Singapore.
Shortly before his arrival at the two-day summit, Trump injected additional controversy by suggesting that the G-7 offer a seat at the table to Russian Federation, which was ousted from the group after it annexed Crimea in 2014.
Trump revealed that the US team had worked "very well" with the representatives from Pyongyang during the bilateral preparatory talks for the summit.
Speaking of the stalled NAFTA negotiations, Trump again reiterated he prefers to sign a bilateral deal with Canada rather than push ahead with an agreement with the three original signatories. "If you give in now, he will come back tomorrow for more".
"We're like the piggy bank that everybody is robbing", he said at a press conference as his G7 counterparts continued their two-day meeting in La Malbaie, Quebec, and officials hammered out a joint communique.
President Donald Trump threw the G-7 summit into disarray Saturday, tweeting that the USA was pulling back its endorsement of the group's communique in part because of what he called Prime Minister Justin Trudeau's "false statements" at a news conference.
He suggested Mr Trudeau was "very dishonest and weak".
In a trade war, Trump told reporters that the United States has nothing to lose. Our farmers, whether it's through a non-tariff trade barrier or whether it's through very high tariffs. this is all over the world.