Irish Prime Minister Leo Varadkar told reporters Saturday that the U.K. and the European Union are “inching” closer to agreeing on a deal to resolve a thorny post-Brexit dispute in Northern Ireland.

His comments came amid intense speculation that a breakthrough on months-long wrangling over the trading arrangements known as the Northern Ireland Protocol is imminent.

Can the Federal Reserve keep raising interest rates and defeat the nation’s worst bout of inflation in 40 years without causing a recession? Not according to a new research paper that concludes that such an “immaculate disinflation” has never happened before.

When inflation soars, as it has for the past two years, the Fed typically responds by raising interest rates, often aggressively, to try to cool the economy and slow price increases. The Fed’s higher rates, in turn, make mortgages, auto loans, credit card borrowing, and business lending more expensive.

Turkey’s justice minister said Saturday investigations have been launched against 612 people in relation to buildings that collapsed in the country’s catastrophic earthquake earlier this month. The minister said  184 of the suspects had been jailed pending trial including construction contractors and building owners or managers.

The aftermath of the 7.8-magnitude Feb. 6 quake in southern Turkey and northern Syria has seen Turks question the structural integrity of many of the 173,000 buildings that collapsed or were seriously damaged. Nearly 48,000 people were killed .