美联社新闻一分钟 AP 乌克兰东部冲突升级

（单词翻译）

This is AP News Minute.

The head of Homeland security defended President Donald Trump's immigration ban, saying its intention is to keep would-be terrorists out of the US. But hundreds of American diplomats¹ defied a White House warning, criticizing the ban in a memo² to State Department leadership.

Democrats³ forced delays in planned Senate committee votes Tuesday on Trump's picks for health and treasury⁴ secretaries and attorney general. The delays came amid growing Democratic fury over many of the administration's early moves.

Fighting between government troops and Russia-backed separatist rebels in eastern Ukraine escalated⁵, causing serious damage to buildings in the city of Donetsk. At least 8 people had been killed Monday and early Tuesday.

Almost 2000 people joined hands in a saltwater lake in Buenos Aires, setting a new Guinness World Record for most people simultaneously⁶ floating. The people formed an unassisted free floating line in the lake renowned⁷ for its buoyancy.

Noreen Nasir, Associated Press with AP News Minute.