In the wake of the horrifying Westminster bridge terror attacks, people are sharing posts on social media with the hashtag #PrayForLondon, and #Londonstrong.
People around the world have chimed in with memes and thoughts supporting those affected by the tragedy.
Photographs: Twitter
5 killed, 40 injured in 'sick and depraved' UK Parliament attack
'Attack on British Parliament is an attack on freedom, democracy everywhere'
'Heard a thud, saw a man lying in a pool of blood'
No Indian casualty in London attack: Sushma