• Former U.K. prime minister calls Brexit arguments ‘squalid’
  • Saudi oil giant raises prices, affirming production stance

Here are highlights of Sunday’s top breaking stories from around the world:

Presumptive U.S. presidential nominee Donald Trump, criticized even by some supporters for his contention that a “Mexican” judge hearing the fraud case against his Trump University was biased, instead doubled down by saying he didn’t think a (hypothetical) Muslim jurist would be fair to him, either.

The Brexit debate isn’t necessarily staking out the high ground, either: former U.K. Prime Minister John Major called arguments by those who want to leave the EU “squalid” and dismissed former London Mayor Boris Johnson as a court jester.

U.S. Treasury Secretary Jacob J. Lew said the Chinese haven’t done a good job of explaining monetary policy decisions and created fears in the markets that the economy was in worse shape than it is.

Saudi Aramco, the world’s largest crude exporter, is raising prices on most Asia supply contracts on improving demand, seemingly backing OPEC’s decisions to stand its ground on not cutting back production.

Swiss voters soundly defeated initiatives that would have reduced CEO pay and establish a universal basic income. The latter was expected; the former was more of a toss-up.

It looks like Rome may get its first female mayor. In exit polling off first-round elections, Virginia Raggi of the anti-establishment Five Star Movement is trouncing the candidate of the ruling Democratic party.

Iceland set new rules restricting short-term investments from offshore in an attempt to block an influx of cash chasing its interest rates, the highest in western Europe.

AbbVie Inc.’s experimental drug Rova-T showed promise in treating patients with an aggressive form of lung cancer in an early trial, seemingly ratifying its decision to acquire the biotechnology company that developed the treatment.

Amazon.com appears to have repaired a web services outage in Australia that crashed many of the country’s leading e-commerce sites.

Peru’s presidential election, between the daughter of a now-jailed former president and a former central banker, is too close to call.

Hillary Clinton was expected to win Puerto Rico’s presidential primary but end up just short of getting enough delegates to clinch the Democratic nomination -- which she is expected to do in the final primaries on Tuesday.

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