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By Zoe Conway
Employment correspondent
Strikes by health workers in England and Wales are set to intensify over the coming weeks. More NHS staff, at more trusts, are joining the dispute.
On Monday, ambulance workers are walking out of the ambulance trust in Wales and seven of the ten ambulance trusts in England.
Two unions are involved - Unite and the GMB. Members of Unite will then continue their ambulance strike in Wales on Tuesday and Wednesday.
In Scotland, where all health strikes are suspended, a new pay offer of 14% over two years is now on the table.
The strike by Border Force officials at Dover, Calais, Dunkirk and the Coquelles Channel Tunnel Terminal lasts until Monday morning - it's expected to end at around 07:00 GMT. The Home Office is warning travellers to expect disruption.
You can read more or watch this report about why people are taking strike action, and below you can find information on how it could affect you.
Upcoming strike action
SUN 19 FEB
Border Force
- Border Force staff at the Port of Calais, Port of Dunkirk, Coquelles Channel Tunnel Terminal and the Port of Dover are taking industrial action
- The strike only affects international inbound travel to the UK
MON 20 FEB
Ambulance staff
- Ambulance staff in the Unite union in Wales and several regions of England are on strike
- The strike affects non-life threatening calls only and people are advised to use the 999 service in an emergency
Read more: Why are ambulance staff striking?
Border Force
- Border Force staff at the Port of Calais, Port of Dunkirk, Coquelles Channel Tunnel Terminal and the Port of Dover are taking industrial action
- The strike only affects international inbound travel to the UK only
- The industrial action is due to end at around 07:00 GMT
TUE 21 FEB
Teachers in Northern Ireland
- The majority of teachers in Northern Ireland are holding a half-day strike
- Many schools across the country are not expected to open until after midday
Read more: NI teachers to walk out for half a day
WED 22 FEB
Ambulance staff
- Ambulance staff in the Unite union in the North West region of England are on strike
- The strike affects non-life threatening calls only and people are advised to use the 999 service in an emergency
Read more: Why are ambulance staff striking?
THU 23 FEB
Ambulance staff
- Ambulance staff in the Unite union in Northern Ireland are on strike
- The strike affects non-life threatening calls only and people are advised to use the 999 service in an emergency
Read more: Why are ambulance staff striking?
FRI 24 FEB
Ambulance staff
- Ambulance staff in the Unite union in Northern Ireland are on strike
- The strike affects non-life threatening calls only and people are advised to use the 999 service in an emergency
Read more: Why are ambulance staff striking?
SAT 25 FEB
There are currently no national strikes planned for this date
SUN 26 FEB
There are currently no national strikes planned for this date
MON 27 FEB
There are currently no national strikes planned for this date
TUE 28 FEB
There are currently no national strikes planned for this date
WED 1 MAR
Nurses in England
- Members of the Royal College of Nursing (RCN) are taking industrial action over pay
- For the first time, the strike will involved some nursing staff working in emergency departments, intensive care units, cancer care and other services that were previously exempted.
Read more: Why are nurses striking?
THU 2 MAR
Nurses in England
- Members of the Royal College of Nursing (RCN) are taking industrial action over pay
- For the first time, the strike will involved some nursing staff working in emergency departments, intensive care units, cancer care and other services that were previously exempted.
Read more: Why are nurses striking?
Teachers in Wales
- Teachers in Wales who are members of the National Education Union are taking industrial action over pay
- It is expected that hundreds of schools will be affected
Read more: Teachers reject pay offer
FRI 3 MAR
Nurses in England
- Members of the Royal College of Nursing (RCN) are taking industrial action over pay
- For the first time, the strike will involved some nursing staff working in emergency departments, intensive care units, cancer care and other services that were previously exempted.
- Strike action will end at 06:00GMT
Read more: Why are nurses striking?
SAT 4 MAR
There are currently no national strikes planned for this date
SUN 5 MAR
There are currently no national strikes planned for this date
MON 6 MAR
Ambulance staff
- Ambulance staff in the GMB and Unite unions in several regional services across England and from Unite in Wales are on strike
- The strike affects non-life threatening calls only and people are advised to use the 999 service in an emergency
Read more: Why are ambulance staff striking?
Which ambulance staff are striking?
Ambulance staff in the Unite and GMB unions in Wales and several regions of England are striking on Monday.
The strike affects calls that are not life-threatening only and people are advised to call 999 in an emergency.
Ambulances will still be sent to the most life-threatening calls - known as Category 1, which includes cardiac arrests.
Patients that need time-critical treatment, such as kidney or cancer care, will also be transported.
Less urgent calls - known as Category 2, which includes some strokes and major burns - might have to wait longer than usual for an ambulance.
- Call 999 If you are seriously ill or injured, or your life is in danger
- For all other healthcare needs, contact the 111 helpline, your local GP or pharmacy
- Attend appointments as planned. The NHS has said it will contact anyone whose appointment has to be rescheduled due to the strike
Border Force strikes
On Monday, Border Force staff are ending their four-day strike at around 07:00 GMT.
The strike only affects international inbound travel to the UK, and there could be knock-on disruption after the strike ends.
The PCS union expected 1,000 of its members at the ports of Calais, Dunkirk and Dover, and the Coquelles Channel Tunnel Terminal, to walk out over the four days.
Military personnel and civil servants have been trained to step in and carry out border checks, although military personnel will not be going to France.
Nevertheless, the government said people should prepare their families for longer waiting times at border control.
People should use e-gates where possible, and check with operators before travelling, it said.
Additional reporting by Noor Nanji
How are you affected by the strikes? Are you taking part in strike action? You can email: haveyoursay@bbc.co.uk.
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