Paul and Sian Foley have held a third funeral for their son Lee after it took more than 18 months for his body parts to be returned to them.
Police add there is 'no evidence to date' to suggest carbon monoxide killed the two, believed to be a mother and her four-month-old baby.
Paul Marshallsea lost his job as a charity worker as he was on sick leave when he was seen dragging a shark away from children in Australia.
The Prince of Wales has arrived in Merthyr Tydfil as part of his St David's Day visit to Wales.
Earlier today, he visited Llanelly House in Llanelli.
Police say a suspect device found in Merthyr Tydfil yesterday was non explosive.
Officers were alerted to the device at Heol Tai Mawr just after 1pm yesterday afternoon.
The road was closed and a cordon implemented. Residents evacuated have since been allowed home.
South Wales Police are appealing for anyone with infomation to contact them.
Around 50 homes in Merthyr Tydfil have been evacuated this afternoon after a suspect device was found in the area, South Wales Police say.
Bomb disposal officers were called following the discovery in Heol Tai Mawr, where they made the "potentially viable" device safe.
The road was closed and a small area was cordoned off as a precaution.
Nearby residents were taken to Aberfan Leisure Centre, though it is understood they are now returning to their homes.
Bomb disposal officers have now left the scene.
A police spokesperson said: "At 13:16 hours today, South Wales Police were alerted to the presence of a suspect device at Heol Tai Mawr, Merthyr Tydfil.
"Explosive ordnance disposal officers viewed an image of the item and confirmed it was a potentially viable device.
"Bomb disposal officers were called to the scene and made the device safe.
"Residents affected are thanked for their co-operation and patience."
Police are now appealing to anyone with information to contact them using the 101 number or by calling Crimestoppers on 0800 555111.
Protestors have gathered in Merthyr Tydfil to oppose the local council's plans to cut services.
They need to save £15.3m over the next 4 years. One proposal is to withdraw transport for people over 16 who are still in education, but it's proving controversial. Carly Jones reports.
A protest has been held in Merthyr Tydfil to oppose cuts proposed by the local council.
One concern is a plan to withdraw transport provision for over-16s to travelling to school.
Campaigners say this would make it harder for pupils to travel to Ysgol Gyfun Rhydywaun in neighbouring Rhondda Cynon Taf, and threaten the future of the school.
– Morgan Powell, pupil at Rhydywaun's Sixth Form
"These cuts are a threat to the future of our Sixth Form. We feel that the council has targeted the weakest residents with these proposed cuts. Young people, the elderly and the disabled will be most affected by the cuts. In a time when money is already scarce, the council intends to force us to pay for a Welsh education
A protest march is due to be held at Merthyr Town Centre later this morning. It's in opposition to the councils' plans to cut transport for sixth-form pupils at Ysgol Rhydywaun.
Over 90 sixth form pupils travel from Merthyr to Ysgol Rhydywaun every day. But there are now plans out for consultation that could bring the service to an end.
Pupils are concerned about the negative impact that these cuts will have on the residents of Merthyr,
Merthyr council are yet to comment on today's protest but have previously told ITV Wales that they won't comment while the consultation process is ongoing.
Local councils are under pressure tonight over services beyond education.
The Auditor General says that many of them don't have "sufficiently clear and realistic plans" to deliver the savings they have to make.
Hannah Thomas has been looking at what that means for one Valleys community.
A protest march is being held in Treharris today. It's in opposition to Merthyr Council's plans to close the village's day centre for the elderly.
The day centre is held in Treharris Boys' Club, which is 150 years old. There are concerns that jobs will be lost and the boys' club itself could close if income is lost.
Campaigners say this would then have a knock-on effect on other activities in the village such as the youth club and toddlers' group.
The council have yet to comment.
Merthyr Tydfil's iconic Grade two listed Vulcan House officially opened today after a £2m redevelopment.
Formally a brewery and then an iron foundry, it became a centre of activity for the Chartist movement in the 19th Century.
It now has a very different future - made into affordable housing as part of the regeneration of the area.
Alexandra Lodge reports.