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Michigan has joined Minnesota in reporting cyberattacks on water systems but an official said all were operating “safely.” Earlier this week, authorities said cyberattacks targeted over 30 water systems in Minnesota. The source of the attacks is being investigated, but they came amid warnings that Iranian hackers have been focused on such systems. Minnesota IT Services said Thursday that the investigation into the attacks that happened on Sunday and Monday was continuing, and that state officials had not identified who was behind them. There were no reports that residents had been impacted by the attacks.

President Donald Trump is claiming, without evidence, that recent cyberattacks in Minnesota were the fault of the state, including Democratic Gov. Tim Walz. Authorities have not yet publicly named the source of the attacks. During a Cabinet meeting on Friday at the Camp David presidential retreat in Maryland, Trump also repeated myriad false claims that have become part of his regular talking points about topics such as immigration, foreign conflicts and prescription drug prices.

Landmark fundraising deals by two of Africa’s largest off-grid solar companies are raising hopes that private capital markets could become a major source of funding to help bring electricity to millions of homes lacking access to reliable power. A $50 million green bond issued by affordable energy company D.light and $286 million in securitized debt by Sun King are testing whether institutional investors will back a pay-as-you-go business model on a commercial scale. Experts say the transactions mark a milestone in climate financing. But they caution that wider adoption will require stronger data, supportive regulations, credit guarantees and lower financing costs for smaller companies.

Authorities say cyberattacks targeted over 30 water systems in Minnesota earlier this week. The source of the attacks is being investigated, but they came amid warnings that Iranian hackers have been focused on such systems. Minnesota IT Services said Thursday that the investigation into the attacks that happened on Sunday and Monday was continuing, and that state officials had not identified who was behind them. There were no reports that residents had been impacted by the attacks, though one city asked residents to conserve water for a couple hours while they tried to determine what was wrong.

Cuba has loosened restrictions on private businesses to allow imports of foreign goods and medicines, a sector firmly controlled by the Communist-led government. The measures, which were approved by the parliament last month and enacted on Wednesday, would also loosen restrictions on oil extraction and other mining ventures by foreign companies. The changes are expected to bring about a significant shift on the island, where the economy and industry has been strictly controlled by the government since the 1960s. The reforms come as Cuba has been pushed to the brink by an oil blockade imposed by the United States in January, a spiraling economy and power outages.

From portable battery banks and generators to larger home systems, there are many backup power choices to consider as extreme weather ramps up and outages happen more often and last longer. People need different options to keep their essentials, electronic devices and even whole homes powered up. Experts offer tips for finding the right backup to be able to keep your home up and running when storms roll through and knock out electricity.