September 3, 2015 9:59 AM EDT
C elebrities are voicing concerns about the welfare of scores of migrants seeking haven in Europe after fleeing north from North Africa and the Middle East.
J.K. Rowling is Tweeting on her own as well as retweeting users calling British Prime Minister David Cameron’s stance on refugees ‘utterly shameful’ and linked to a petition for the United Kingdom to accept more asylum seekers.
She also tweeted a cover of British newspaper the Daily Express, featuring a cover line that reads: “Moving Story of a Dog’s 11-year Hunt For a Home.”
John Green promised to match donations to author Patrick Ness’ fundraising page for Save The Children, to help the refugees.
Olivia Wilde, in a dig on Donald Trump, retweeted Sophia Bush, who shed light on Iceland taking in more Syrian refugees.
Samantha Morton, who’ll star in the upcoming Harry Potter spinoff Fantastic Beasts and Where to Find Them , has also been vocal on social media.
And Angelina Jolie , in her continued humanitarian efforts, visited refugee families earlier this year for World Refugee Day with her daughter Shiloh.
See Images of the Mediterranean's Migrant Crisis A ship belonging to Italian authorities approaches one of three migrant rafts some 120 miles off the Italian coast, about 40 miles from Libya, on June 6, 2015. Giulio Piscitelli Italian authorities are seen during an operation some 120 miles off the Italian coast that rescued more than 100 migrants coming from Libya on June 6, 2015. Giulio Piscitelli A boat of migrants that set off from Libya, as seen from a ship belonging to Italian authorities, during a rescue operation on June 6, 2015. Giulio Piscitelli A member of Italy's Guardia di Finanza brings a migrant aboard after they were rescued from an inflatable boat, which originated in Libya and was found some 120 miles off the Italian coast in the Mediterranean, on June 6, 2015. Giulio Piscitelli Immigrants from Bangladesh on a ship belonging to Italy's financial police after being rescued some 120 miles off the Italian coast on June 6, 2015. Giulio Piscitelli An officer with Italy's financial police speaks to colleagues on a radio from the command cabin during a migrant rescue operation—which also involved the Italian and Irish navies—some 120 miles off the Italian coast on June 6, 2015. Giulio Piscitelli Smoke billows from a migrant boat, set ablaze by Italian authorities so other smugglers don't use it, after they rescued more than 100 people some 120 miles off the Italian coast on June 6, 2015. Giulio Piscitelli Rescued immigrants are covered with thermal sheets in Lampedusa after being rescued some 120 miles off the Italian coast on June 6, 2015. Giulio Piscitelli An African man disembarks a ship belonging to Italy's financial police after being rescued with about 100 other people in an operation some 120 miles off the Italian coast on June 6, 2015. Giulio Piscitelli An African boy stands covered with a thermal sheet in Lampedusa after being rescued some 120 miles off the Italian coast on June 6, 2015. Giulio Piscitelli More Must-Reads from TIME