2026年4月21日 美国东部时间06:45 / 美国有线电视新闻网（CNN）
本周又有一起空中惊险事件，引发了人们对航空安全的新担忧。美国西南航空的两架客机近日在纳什维尔国际机场因驾驶舱内的碰撞警报响起，不得不采取规避动作。
以下是你快速了解当日动态、开启正常一天所需知晓的其他重要信息。
唐纳德·特朗普总统于周六在白宫椭圆形办公室。
朱莉娅·德马雷·尼基辛森/美联社
1️⃣ 停火协议截止日期
特朗普总统将美伊停火协议的到期时间推迟至美国东部时间周三晚间，他表示如果无法达成协议，“极不可能”进一步延长停火期限。这为谈判人员多争取了24小时的谈判时间，之后特朗普必须决定是否兑现其炸毁伊朗桥梁和发电厂的威胁——这一行为可能构成战争罪。了解更多。
2️⃣ 夏季出行
除了美伊战争推高的机票价格和额外收费外，欧洲和亚洲的航空公司如今还面临着喷气式燃料短缺的潜在风险。这增加了航班取消和航班时刻表调整的可能性，给夏季旅游季带来了麻烦。了解更多。
3️⃣ 选区重划
弗吉尼亚州选民今日将前往投票站，决定是否接受一项民主党计划，该计划可能大幅重新绘制该州的国会选区地图，并影响中期选举的结果。已有近140万弗吉尼亚州选民提前投票，这显示出这场4月特别选举的关注度异乎寻常地高。了解更多。
4️⃣ 苹果公司
苹果公司硬件工程高级副总裁约翰·特纳斯将于9月1日接任该公司首席执行官一职。此前，蒂姆·库克于周一宣布将辞职，他在十多年的任期内将苹果打造成了一家市值4万亿美元的行业巨头。了解更多。
蒂姆·库克卸任苹果首席执行官
苹果公司周一表示，带领苹果成长为市值4万亿美元企业、定义了后史蒂夫·乔布斯时代苹果品牌形象的高管蒂姆·库克将卸任首席执行官。美国有线电视新闻网的克莱尔·达菲报道称，苹果硬件工程高级副总裁约翰·特纳斯将于9月1日接任首席执行官一职。苹果公司表示，库克将担任苹果董事会执行董事长，并将继续担任首席执行官至夏季，以确保平稳过渡。
1:18 • 消息来源：美国有线电视新闻网（CNN）
蒂姆·库克卸任苹果首席执行官
1:18
5️⃣ 墨西哥金字塔
一名目击者拍摄下了周一一名枪手在墨西哥历史悠久的特奥蒂瓦坎金字塔景区向游客人群开火的瞬间。当局表示，嫌疑人开枪打死了一名加拿大女性，并造成至少13人受伤。了解更多。
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早餐速览
波士顿马拉松冠军
卫冕冠军约翰·科里尔周一以史上第五快的马拉松成绩打破赛事纪录。莎伦·洛凯迪也成功卫冕，连续第二年赢得女子组冠军。
视频：凯蒂·佩里将信用卡浸入特雷维喷泉
抛硬币祈福已经进入数字时代。
一场罕见的黑猩猩“内战”正在上演
乌干达一个曾经庞大且平和的黑猩猩群体如今分裂为两派，引发了灵长类动物中罕见的“内战”。
讽刺新闻网站《洋葱》达成协议接管亚历克斯·琼斯的“信息战”网站
这家讽刺新闻网站表示，已达成协议接管阴谋论者亚历克斯·琼斯的“信息战”（InfoWars）公司。
“大型科技公司还是家庭？”
约60名家长本周将前往美国国会山，再次推动出台网络安全法，希望借由上月针对社交媒体公司的法庭胜诉势头，推动相关立法进程。
最后一则……
美国陆军极地装甲车首次亮相
美国有线电视新闻网的吉姆·斯基奥托带我们前往阿拉斯加北部，独家揭秘美国陆军如何为下一代极地战争做准备。第11空降师被称为“极地天使”，他们正在极端气候环境下对无人机进行实战测试，以应对俄罗斯和中国等对手构成的日益严峻的威胁。
1:24 • 消息来源：美国有线电视新闻网（CNN）
美国陆军极地装甲车首次亮相
1:24
▶️ 美国陆军极地装甲车首次亮相
在这段视频中，美国有线电视新闻网的吉姆·斯基奥托将带您前往阿拉斯加北部，独家揭秘美国陆军如何为下一代极地战争做准备。
本期《早安5件事》由美国有线电视新闻网的安德鲁·托根编辑制作。
5 things to know for April 21: Ceasefire deadline, summer travel, redistricting, Apple, Mexico’s pyramids
2026-04-21 06:45 AM ET / CNN
Fresh concerns about aviation safety are surfacing this week after another close call in the skies. Two Southwest Airlines jets recently had to take evasive action at Nashville International Airport after collision alarms sounded in the cockpit.
Here’s what else you need to know to get up to speed and on with your day.
President Donald Trump in the Oval Office of the White House on Saturday.
Julia Demaree Nikhinson/AP
1️⃣ Ceasefire deadline
President Donald Trump pushed the expiration of the truce with Iran to Wednesday evening ET, saying it’s “highly unlikely” he will extend it further if no deal is reached. This gives negotiators an extra 24 hours of talks before Trump must decide whether to follow through on his threat to blow up Iranian bridges and power plants — a possible war crime. Read more.
2️⃣ Summer travel
On top of higher airfares and added fees driven by the war with Iran, airlines in Europe and Asia are now facing a potential jet fuel shortage. This raises the odds of flight cancellations and schedule cuts, spelling trouble for the summer travel season. Read more.
3️⃣ Redistricting
Voters in Virginia will head to the polls today to decide whether to accept or reject a Democratic plan that could dramatically redraw the state’s congressional maps and help shape the midterm elections. Nearly 1.4 million Virginians have already cast early ballots, a sign of unusually high interest for an April special election. Read more.
4️⃣ Apple
John Ternus, Apple’s senior vice president of hardware engineering, will become the company’s CEO on September 1. This comes after Tim Cook announced Monday that he will step down following more than a decade spent transforming the company into a $4 trillion behemoth. Read more.
Tim Cook steps down as Apple CEO
Tim Cook, the executive who led Apple to become a $4 trillion company and defined its identity in the post-Steve Jobs era, is stepping down as CEO, Apple said on Monday. CNN’s Clare Duffy reports that John Ternus, Apple’s senior vice president of hardware engineering, will take over as CEO effective September 1. Cook will become executive chairman of Apple’s board of directors and will remain as CEO through the summer to ensure a smooth transition, the company said.
1:18 • Source: CNN
Tim Cook steps down as Apple CEO
1:18
5️⃣ Mexico’s pyramids
An eyewitness captured the moment a gunman opened fire on a crowd of tourists visiting Mexico’s historic Teotihuacán pyramids on Monday. Authorities say the suspect shot and killed a Canadian woman and injured at least 13 others. Read more.
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Breakfast browse
Boston Marathon winners
John Korir, the defending champion, shattered the competition Monday with the fifth-fastest marathon ever. Sharon Lokedi also repeated as champion, winning the women’s race for a second straight year.
Video: Katy Perry dips credit card in Trevi fountain
The coin toss has entered its digital era.
A rare chimpanzee ‘civil war’ is happening
A once large and peaceful group of chimpanzees in Uganda has now split into two, causing a rare [“civil war” among the primates.
The Onion reaches new deal to take over Alex Jones’ Infowarse
The satirical news site said it has reached an agreement to take over conspiracy theorist Alex Jones’ InfoWars company.
‘Big tech or families?’
Around 60 parents are heading to Capitol Hill this week in a renewed push for online safety laws, hoping to build on the momentum of court wins against social media companies last month.
And finally…
First look at the US Army’s arctic vehicle
CNN’s Jim Sciutto takes us to northern Alaska for an exclusive look at how the US Army is preparing for the next iteration of arctic warfare. The 11th Airborne are known as the “Arctic Angels”, and they are battle testing drones in extreme climates to combat the rising threats posed by adversaries like Russia and China.
1:24 • Source: CNN
First look at the US Army’s arctic vehicle
1:24
▶️ First look at the US Army’s arctic vehicle
In this video, CNN’s Jim Sciutto takes you to northern Alaska for an exclusive look at how the US Army is preparing for the next iteration of arctic warfare.
Today’s edition of 5 Things AM was edited and produced by CNN’s Andrew Torgan.
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