The Prophet (peace and blessings be upon him) said:
"When the ablution of one of you is broken, Allah does not accept his prayer until he performs ablution."
Hadith Referenceصحیح الجامع الصغیر / حرف اللام ألف / 7745
Hadith Gradingالألبانی:صحيح
Hadith Takhrij[ق د ت] عن أبي هريرة. صحيح أب داود ٥٤.