Amid the confirmation of the UBT Sena-MNS alliance, Shiv Sena (UBT) Chief Uddhav Thackeray and MNS Chief Raj Thackeray, accompanied by their wives, paid tribute to party founder Balasaheb Thackeray at his memorial in Shivaji Park here on Wednesday. This marks the coming together of the cousins ahead of a formal announcement of an alliance for the BMC elections in January.