https://cdnph.upi.com/ph/st/th/3771781016941/2026/upi_com/b8e2423504b1037679f504fb5c47c00b/v1.5/Man-arrested-on-suspicion-of-attempted-murder-in-Belfast-knife-attack.jpg" /> A man has been arrested on suspicion of attempted murder in Northern Ireland on Tuesday after a knife attack in Belfast on Monday night.