Ulster Unionists considering walking out of the Stormont Executive over IRA allegations. Do they mean it?

The UUP says it considering pulling out of the Stormont Executive over the row over whether the IRA still exists. Ulster Unionist leader Mike Nesbitt was speaking after a meeting with Secretary of State Theresa Villiers.

But will he carry out this threat? And if he does, what impact would that have on the assembly - if any?

Political commentators Alex Kane and Seamus Close discuss.

The Secretary of State Theresa Villiers had earlier said that it would come as "no surprise" to many people that some structures were still in place in the Provisional IRA:

SDLP deputy leader Dolores Kelly says she's shocked by the Sec of State's comments

Chinese stocks have plunged for a second day after worries over China's slowing growth triggered a global sell-off.

China's main stock exchange has had its worst fall since 2007, and caused sharp drops in markets in the US and Europe.

There are fears about a knock-on effect on pensions and the overall economy in the UK.

Economists John Simpson and Jonathan Davis explain

What next for UTV? The Northern Ireland broadcaster confirmed yesterday that it is in talks about selling its television assets.

So what will that mean for the station and the local programming it currently produces?