This is the Global News podcast from the BBC World Service.

I'm Janet Jalil and in the early hours of Wednesday, the 9th of April, these are our main stories.

Rescuers are searching for survivors after a roof collapse at a music venue in the Dominican Republic

kills scores of people.

The Trump administration escalates its trade war with China,

with tariffs of more than 100% coming into effect today. The UN Secretary General accuses Israel

of violating the Geneva Conventions in Gaza by blocking aid supplies. Also in this podcast, we talked to the renowned British artist David Hockney

about his biggest ever exhibition. I mean, I've always said, I want my work to be seen,

but I don't have to be seen.

We start this podcast in the Dominican Republic, where throughout the day the number of people killed by the sudden collapse of a nightclub roof has been steadily rising.

As we record this podcast, at least 66 people are confirmed to have died,

and more than 150 have been injured.

It's thought that many more may be buried alive by the huge mounds of rubble.

Rescue workers are continuing to search for survivors at the music venue in the capital Santa Domingo.

The president, Louise Abinadir, said they weren't giving up hope.

The main objective is still to save lives, which is what we're doing.

We've been following this tragedy minute by minute so that all the resources and emergency rescue workers can be available, but we still have a way to go.

We have trust in God that we will still rescue more people alive from these ruins.

I heard more from our America's editor, Leonardo Russia,

about what could have caused this disaster.

It's very strange that the whole roof collapsed in one goal.

That's what people are saying,

...