Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
tabarani:13078Muʿādh b. al-Muthanná > Musaddad > Abū ʿAwānah > al-Aʿmash > Mujāhid > Raʾayt Ibn ʿUmar Yashtad Bayn al-ʿArḍayn > Bihā

[Machine] I saw Ibn Umar becoming frustrated between the two sides and saying, "I am with her, I am with her."  

الطبراني:١٣٠٧٨حَدَّثَنَا مُعَاذُ بْنُ الْمُثَنَّى ثنا مُسَدَّدٌ ثنا أَبُو عَوَانَةَ عَنِ الْأَعْمَشِ عَنْ مُجَاهِدٍ قَالَ

رَأَيْتُ ابْنَ عُمَرَ يَشْتَدُّ بَيْنَ الْعَرْضَيْنِ وَيَقُولُ «أَنَا بِهَا أَنَا بِهَا»