Who is on strike today in the UK?
Here is everything you need to know about the latest strike action across the UK.
Bus drivers, university staff and civil servants are all on strike on Tuesday.
Last week saw an unprecedented level of industrial action, with hundreds of thousands of workers from several trade unions going on strike last Wednesday - the day of the spring budget.
Junior doctors, teachers, London Underground drivers and rail workers all went on strike at various points last week.
Here is a look at what strikes are taking place over the next few days.
Who is striking today?
University staff are on strike on Tuesday, 21 March, in an ongoing dispute about pensions, pay and working conditions.
About 70,000 staff at 150 universities are walking out in a move that impacts 2.5m students.
The staff are members of the University and College Union (UCU) and have been striking on various days in the past month.
Elsewhere, more than 3,100 bus drivers are also on strike on Tuesday in the West Midlands.
National Express drivers who are members of the Unite union are walking out in a row over pay.
The strike affects local bus services and not the National Express white coach division.
Results of a ballot published on Saturday revealed that 71% of members supported the strike action.
Watch: UK industrial action - what strikes are coming up?
A number of civil servants who are members of the Public and Commercial Services (PCS) union are also on strike on Tuesday.
About 100,000 of its members across 214 government departments and other public bodies voted to take strike action over a 10% pay rise, pensions and redundancy terms.
On Tuesday, workers at the Driver and Vehicle Standards Agency (DVSA) in the West Midlands, East Midlands and Eastern areas will walk out.
Ofsted staff in the Applications, Regulatory and Contact (ARC) team and Inspection Support Centre are also on strike on Tuesday.
PCS members who work for the Maritime and Coastguard Agency (MCA) in the Registry of Shipping and Seamen (RSS) in Cardiff are also striking over pay, pensions and compensation.
Who is striking tomorrow?
University staff will continue their strike on Wednesday, while Unite bus drivers in the West Midlands plan to continue their industrial action indefinitely.
PCS members at the MCA and Ofsted will also continue their strikes.
Who is striking this weekend?
No national strikes are planned for this weekend, Saturday 25 and Sunday 26 March.
Passport Office strike: The last date to get your application in (Yahoo News UK, 4 min read)
RMT members at Network Rail accept offer to end dispute (PA Media, 4 min read)
The simple chart that shows why teachers are striking (Yahoo News UK, 3 min read)