Some 70,000 people are ordered to evacuate their homes after a rain-swollen dam in Puerto Rico fails in the latest disaster caused by Hurricane Maria.

Some very "peculiar signals" have been noticed come from a star just 11 light-years away, scientists in Puerto Rico say.

US health authorities on Friday declare a public health emergency in Puerto Rico due to the outbreak of Zika, which has now infected more than 10,000 people.

Puerto Rico's top finance officials says the government of the US territory will likely shutdown in three months because of a looming liquidity crisis and warned of a devastating impact on the island's economy.