Bieber said on Twitter late Friday that he appreciates the president, who works on behalf of the rapper for the Swedish authorities. Previously, Trump said his government was working to clear the matter up.
"I want my friend to come out", Tweeted Bieber
. "I appreciate you trying to help him, but while you're at realDonald Trump, can you keep these kids out of their cages?"
Bieber referred to the current situation on the border between the US and Mexico, where some migrant children are detained in detention centers.
Recent reports from border areas indicate that detainees are held in confined areas without access to staple foods such as blankets, toothbrushes and soap.
Trump did not respond to Bieber's tweet, but said he spoke with Swedish Prime Minister Stefan Löfven on Saturday's A $ AP Rocky case on Saturday morning.
The President said, "Löfven" assured me that the American citizen will be treated A $ AP Rocky Fair, and I assure him that he was treated fairly A $ AP no airline risk and offered to personally vouch for his bail or an alternative. "
A $ AP Rocky was arrested since July 3 after a confrontation in Stockholm in which he was subjected to serious allegations of assault CNN's Swedish subsidiary Expressen ,
The Stockholm District Court ruled Friday he should remain in custody for a week while the prosecution closes its investigation into a June 30 thuggery on which A $ AP Rocky is accused of involvement.