The wall of a drain collapsed near a housing society and a boulder crashed on a bypass after heavy rain in Thane city, civic officials said on Thursday. No person was injured in the incidents that took place on Wednesday, Thane Municipal Corporation's disaster management cell chief Yasin Tadvi said.

Thane city received 82.02 mm rainfall in the 24-hour period ending at 8.30 am on Thursday, he said. The disaster cell attended to 23 complaints during the period, of which nine were of waterlogging and three of tree fall, the official said