ذٰلِكَ بِاَنَّهُمۡ شَآقُّوۡا اللّٰهَ وَرَسُوۡلَهٗ ۚ وَمَنۡ يُّشَاقِقِ اللّٰهَ وَرَسُوۡلَهٗ فَاِنَّ اللّٰهَ شَدِيۡدُ الۡعِقَابِ
That is because they defied Allah and His Messenger (blessings and peace be upon him). And he who defies Allah and His Messenger (blessings and peace be upon him), then surely Allah is to seize (him) with severe torment.