A Derry Councillor has condemned overnight violence in Derry.
An investigation has been launched following reports that a suspicious object exploded outside a house in the Waterside area overnight.
While no-one was injured, considerable damage has been caused to the front door of a property.
Meanwhile in a separate incident, a van was driven into the front of a house in the Skeoge road area of the city last night.
The van was set on fire a short time later in what police have described as a reckless act.
Cllr Brian Tierney believes that the incidents are not connected: