Terror threat level raised to "critical" in UK after blast on London Underground train https://t.co/08LBpKUBUb pic.twitter.com/zypL5XQXEE

— CNN Breaking News (@cnnbrk) September 15, 2017

LATEST: ISIS claims responsibility for the London terror attack today in which 22 people were injured. https://t.co/AWf39JGDTl

— This Week (@ThisWeekABC) September 15, 2017

Theresa May says UK terror threat level raised to critical, highest possible level, after London Tube blast https://t.co/HCBPJZo8XY pic.twitter.com/liMAODY2IV

— BBC Breaking News (@BBCBreaking) September 15, 2017

The Guardian front page, Saturday 16.09.17: Terror threat level raised as police hunt London bomber pic.twitter.com/d0ZFyYL2Sl

— The Guardian (@guardian) September 15, 2017

British police: Trump tweets on London terror attack "unhelpful" https://t.co/56MqxprbRN pic.twitter.com/fQk8GR3tZr

— The Hill (@thehill) September 15, 2017

Nearly 25 mins after Fox and Friends speculation that police knew of London terror suspects came Trump tweet https://t.co/lVgKsdMFqK?amp=1

— Maggie Haberman (@maggieNYT) September 15, 2017

Theresa May tells Trump not to "speculate" on London terror attack https://t.co/GcXCr9FGwo pic.twitter.com/FOl2gV95wW

— The Hill (@thehill) September 15, 2017

Trump immediately responded to London's attack. It took him days to condemn white terrorism in his own country https://t.co/LxYiAKBzFt

— The Independent (@Independent) September 15, 2017

Analysis: Is it even possible to protect a public transit system from terror? https://t.co/L8vHUvQT4L

— The Washington Post (@washingtonpost) September 15, 2017

To Terror.
From London. pic.twitter.com/4Ugu2bxrw6

— James Melville 🚜 (@JamesMelville) September 15, 2017

Boris Johnson: we WILL claw back £350m a week post-Brexit after all https://t.co/04VaLW5ocL

— The Guardian (@guardian) September 15, 2017

This is – and I promise you I am not joking – one of the 10 points in Boris Johnson's 10-point plan for a successful Brexit. pic.twitter.com/v4QOSmw6yP

— Tom Hamilton (@thhamilton) September 15, 2017

Boris Johnson's digested 10-point plan for a successful Brexit #borisbrexitbritainhttps://t.co/wAM2GDvLwo

— The Telegraph (@Telegraph) September 15, 2017

Boris Johnson has shrunk in the wash. pic.twitter.com/ySSvzhoSbE

— Hugo Rifkind (@hugorifkind) September 14, 2017

A federal court blocks Trump's sanctuary cities crackdown, reports @mford https://t.co/wPTBgOhaf0 pic.twitter.com/BkCAXdgjG5

— The Atlantic (@TheAtlantic) September 15, 2017

GOP lawmaker sought White House deal to pardon Assange in exchange for evidence he said exonerated Russia of hacks https://t.co/gCp4SnHzk2

— The Wall Street Journal (@WSJ) September 15, 2017

.@davidfrum explains what Sean Spicer's Jimmy Kimmel interview revealed: https://t.co/uAJ6pamJLb pic.twitter.com/vpiUcSq2H9

— The Atlantic (@TheAtlantic) September 15, 2017

WATCH: President Trump greets 11-year-old Frank Giaccio, who volunteered to mow the lawn at the White House https://t.co/HqfkbqmjYc

— NBC News (@NBCNews) September 15, 2017

Let's see what's in the news. pic.twitter.com/qFapN84UmT

— Philip Bump (@pbump) September 15, 2017

Incredible: @JJWatt has ended his Hurricane Harvey Fund. He raised $35,882,489 — 179 times his original goal — from 209,405 donors. pic.twitter.com/eEnfoMPeS5

— Darren Rovell (@darrenrovell) September 15, 2017

Trump's FCC questions Sinclair's proposed purchase of Tribune Media https://t.co/Zlg8TFMJwq pic.twitter.com/jbkxKxxiRR

— The Hill (@thehill) September 15, 2017

.@CNN just confirmed to @RawStory that @ClayTravis was NOT invited back on the network as he previously claimed https://t.co/vrmAvf5TGI

— Raw Story (@RawStory) September 15, 2017

RIP Harry Dean Stanton. pic.twitter.com/I6CiAOkWdv

— Sam Kalidi (@samkalidi) September 15, 2017