Voters in parts of England will elect councillors and mayors on 1 May.
The prime minister pays a rare visit to the crew of HMS Vanguard, as the submarine returns to UK waters after more than 200 days of patrol.
Ministers have been meeting Labour MPs worried about new restrictions to disability payments.
The prime minister's remarks come after the government announced a major benefits overhaul on Tuesday.
It could be some time before people know how they may be affected by the government's benefits overhaul.
It could be some time before people know how they may be affected by the government's benefits overhaul.
The foreign secretary had twice told MPs Israel's aid blockade into Gaza was a "breach" of international law.
The move comes as part of an overhaul of the welfare system as the UK's benefits bill rises.
The Tory leader says the target is impossible "without a serious drop in our living standards".
The government has set out plans to save billions of pounds from the welfare bill - how have previous attempts to do this fared?
How Personal Independence Payments (Pip) and other health-related benefits could change under government plans.
How Personal Independence Payments (Pip) and other health-related benefits could change under government plans.
Work and Pensions Secretary Liz Kendall will set out reforms to the benefits system on Tuesday afternoon.
Purchases include £2,500 spent at a women's shoe shop in Barbados and £1,200 on luxury coffee pods.
The chancellor wants to cut red tape to boost growth, but critics say there is no plan.
Nigel Farage welcomes new members to his party and dismisses Rupert Lowe row as "a bit of turbulence".
Nigel Farage welcomes new members to his party and dismisses Rupert Lowe row as "a bit of turbulence".
The former head of Ofsted Amanda Spielman says the government should "think again" on its reform proposals.
The former head of Ofsted Amanda Spielman says the government should "think again" on its reform proposals.
The government is aiming to save money while also protecting those who cannot work.