Politicians reacted to Monday night's explosion at an Ariana Grande concert in Manchester, England. 22 people were killed and 59 others were injured. Several law enforcement agencies joined the UK police to investigate the blast, which is "being treated as a terrorist incident." President Donald Trump offered his condolences during a brief media address on his foreign trip, calling those behind the attack "evil losers in life." Grande took to Twitter to tell her fans she was "broken" and "so, so sorry."