Musnad Ahmad 156:0

It was narrated from Al-Hajjaj ibn Amr al-Ansari that the Messenger of Allah (ﷺ) said: "Whoever breaks a leg or sustains an injury, he is released from the state of Ihram, and he must perform Hajj the following year." I (the narrator) asked Al-Hajjaj ibn Amr: "How is that?" He said: "I asked the Messenger of Allah (ﷺ) about that, and he said the same thing."