Not a lot to report, mercifully. Apparently, only (!) three people were killed when President Museveni visited the tomb, though others were in critical condition. Museveni has ordered a probe into the cause of the fire. The Kabaka, the traditional king of the Buganda, also visited the tombs yesterday. The council elders have declared a seven day period of mourning. And the remains of the four kings buried at the site are intact.
And can I just say YouTube is amazing? Here's a short video of the Kabaka visiting the tombs. You can get a little sense of the pandemonium and the press of people.